Where it all happened

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Master timeline, 46 years

Use the arrows or the rail to scrub through the war. Color-coded by section: Origins (red dots) · Going Global (orange) · The Thaw (gold).

Learning objectives

By the end of this guide you will be able to:

• Explain how WWII allies became Cold War enemies (ideology + grievances).
• Compare Yalta and Potsdam, and identify why one promise broke the alliance.
• Identify the six strategies the U.S. and USSR used to fight without direct war.
• Trace the division of Germany and Berlin from 1945 to 1989.
• Explain Containment, the Truman Doctrine, the Marshall Plan, NATO, and Warsaw Pact in one breath each.
• Walk through the eight steps of the Cuban Missile Crisis.
• Connect the Iranian Revolution, the Hostage Crisis, and the Iran-Iraq War.
• Explain why brinkmanship gave way to détente, and why détente eventually gave way to Reagan.
• Name Gorbachev’s three reforms and trace how they ended the USSR.

TL;DR

The U.S. and USSR were WWII allies of necessity. After Hitler fell, ideology took over: capitalism vs communism, democracy vs one-party state. Yalta (Feb 1945) divided Germany. Potsdam (July 1945) broke the alliance when Stalin refused free elections in Eastern Europe. The U.S. responded with containment (Truman Doctrine, Marshall Plan, NATO). The USSR built a buffer of satellite nations behind the Iron Curtain. The two powers competed globally without ever fighting each other directly: the Berlin Airlift (1948-49), the arms race (H-bombs 1952-53), the space race (Sputnik 1957), the Cuban Missile Crisis (1962, the closest call), and proxy entanglements in Iran (Revolution 1979, Hostage Crisis 1979-81, Iran-Iraq War 1980-88). Nixon’s détente thawed things in the 1970s. Reagan re-froze them in the 1980s with SDI. Then Gorbachev’s glasnost, perestroika, and democratization, plus a Soviet economy that could not keep up, brought the wall down (1989) and the USSR with it (1991).

Glossary

These terms are in every quiz, every essay prompt, every multiple choice. Memorize them.

Cold War A 46-year political and ideological conflict (1945 to 1991) between the United States and the Soviet Union. Characterized by tension, competition, and threats of war, but no direct fighting between the two powers. Iron Curtain Winston Churchill’s 1946 phrase for the imaginary line dividing democratic Western Europe from Soviet-controlled Eastern Europe. Satellite Nation A country that is officially independent but is politically and economically controlled by another (the USSR). The five Eastern European satellites: Poland, Hungary, Romania, Bulgaria, Czechoslovakia (plus East Germany). Containment U.S. policy to stop the spread of communism without direct war. Drove the Truman Doctrine, the Marshall Plan, NATO, and the wars in Korea and Vietnam. Truman Doctrine 1947 U.S. policy promising aid to any country resisting communism. First applied to Greece and Turkey. Marshall Plan 1947 U.S. program of 12.5 billion dollars to rebuild Western Europe. Strengthened economies and reduced communism’s appeal. NATO North Atlantic Treaty Organization. 1949 mutual-defense alliance of the U.S., Canada, and Western Europe. An attack on one is an attack on all. Warsaw Pact 1955 mutual-defense alliance of the USSR and seven satellite nations. Direct response to NATO. Brinkmanship The strategy of pushing a conflict to the very edge of war to force the other side to back down. Arms Race Competition between the U.S. and USSR to stockpile nuclear weapons. U.S. tested the H-bomb in 1952. USSR followed in 1953. Space Race Competition for technological superiority in space. Sparked by USSR’s Sputnik in 1957. Sputnik The first artificial satellite. Launched by the USSR on October 4, 1957. Three Worlds First World: capitalist (U.S. and allies). Second World: communist (USSR and allies). Third World: developing, often non-aligned. Non-Aligned Movement Bloc of newly independent third-world countries (notably India) that refused to join either NATO or the Warsaw Pact. Détente French for relaxing of tension. The 1970s policy under Nixon to ease Cold War tensions through diplomacy and arms-control treaties. Realpolitik A foreign policy based on practical considerations of power, not ideology. Associated with Nixon and Kissinger. SALT I Strategic Arms Limitation Treaty, 1972. The first treaty to cap the number of strategic nuclear weapons. Signed by Nixon and Brezhnev. Glasnost Russian for openness. Gorbachev’s policy of free speech and political openness. Perestroika Russian for restructuring. Gorbachev’s policy of reforming the Soviet economy with limited markets. SDI Strategic Defense Initiative. Reagan’s 1983 plan for a space-based missile defense system, nicknamed Star Wars. Never fully built but pressured the Soviet economy.

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Section 1 · Origins, Division, Escalation

1.1 Allies become enemies

The U.S. and USSR fought side-by-side in WWII. They beat Hitler. Then, almost overnight, they turned on each other. The reason was a stack of grievances each side had been carrying for decades, plus a fundamental clash of ideologies.

1.2 The two superpowers wanted opposite things

This is a top-three exam topic. Memorize both columns.

If you were Stalin in 1945, which goal would matter most?

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1.3 Yalta and Potsdam, the alliance fractures

Two conferences. Five months apart. They look similar on paper. They are not.

1.4 The United Nations, founded 1945

The UN was supposed to do what the League of Nations failed to do: prevent another world war. It mostly worked, but it could not prevent the Cold War itself.

1.5 Six strategies for fighting without fighting

The U.S. and USSR never directly attacked each other. Both sides feared a nuclear apocalypse. Instead, they used these six tools to compete globally.

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1.6 Soviet satellite nations

After WWII, the Soviet Red Army occupied every country it had liberated from the Nazis. Stalin installed pro-Soviet communist governments in each one. They became known as satellite nations: officially independent, secretly controlled by Moscow.

1.7 The Iron Curtain

In 1946, Winston Churchill traveled to Fulton, Missouri and gave a speech. One sentence stuck.

The phrase stuck because it was true. Look at the map: every country east of the line was ruled by a communist government answerable to Moscow. Every country west of the line was a democracy.

1.8 Germany divided

Yalta divided Germany into 4 occupation zones (U.S., UK, France, USSR). Berlin sat deep inside the Soviet zone but was itself divided into 4 sub-zones. By 1949, the three Western zones had merged into West Germany, and the Soviet zone had become East Germany.

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1.9 The Berlin Airlift, 1948-1949

This is the first time the world held its breath wondering if the Cold War would turn hot.

The Berlin Wall (mini)

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August 12, 1961. Berlin. Families wake up to a normal Saturday morning.

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1.10 Containment, the U.S. master strategy

In 1946, U.S. diplomat George Kennan sent a long telegram from Moscow arguing that the Soviet system would expand wherever it met no resistance. The right move, he said, was to contain it: stop the spread without going to war.

Truman built three weapons around this idea.

Where the Marshall Plan money actually went

1.11 NATO vs Warsaw Pact

The two alliance blocs that defined Europe for 40 years.

NATO members at a glance

Warsaw Pact members at a glance

1.12 The arms race

Nuclear weapons made the Cold War terrifying. By 1953, both sides had hydrogen bombs. By the 1960s, both had intercontinental ballistic missiles (ICBMs). By the 1980s, the combined stockpile could destroy human civilization several times over.

1.13 The Space Race

When the USSR launched Sputnik in October 1957, Americans panicked. If the Soviets could put a satellite over the U.S., they could put a nuclear warhead there too.

1.14 The U-2 Incident, 1960

A perfect example of espionage colliding with brinkmanship.

We propose mutual flyovers. Each side flies over the other so neither can plan a surprise attack.

No. We will not allow American planes over Soviet airspace.

Then we’ll fly anyway. Build me a plane that flies higher than any Soviet missile can reach.

The result was the U-2 spy plane. The CIA flew secret reconnaissance missions over Soviet territory for years. Then on May 1, 1960, the Soviets shot one down.

The Cold War had already been going for 15 years by the time Powers got shot down. The U-2 Incident escalated tensions, ruined the planned Eisenhower-Khrushchev summit, and made it harder to negotiate. But it didn’t start the war.

Section 1 self-quiz

Q

Origins, division, escalation

0 of 8 answered

Reset

1. 01

   What was the Cold War?

   A A direct military conflict between the U.S. and USSR B A political and ideological conflict marked by tension and competition, but no direct fighting C A series of UN peacekeeping missions D A trade war over oil
   Why: The Cold War was political and ideological. Hot wars happened in proxy locations (Korea, Vietnam) but never directly between the two superpowers.
2. 02

   At which conference did Stalin promise free elections in Eastern Europe (a promise he later broke)?

   A Tehran B Potsdam C San Francisco D Yalta
   Why: Yalta, February 1945. Stalin agreed to free elections in liberated Eastern European countries. The promise was broken almost immediately.
3. 03

   Why did the alliance break down at Potsdam in July 1945?

   A Truman demanded Stalin honor the free-elections promise; Stalin refused B Stalin invaded Iran C The U.S. dropped the atomic bomb on Moscow D Churchill insulted Stalin
   Why: Truman replaced FDR after FDR's death. He pushed Stalin to keep the Yalta promise. Stalin refused and stated communism and capitalism could not coexist.
4. 04

   How many founding members did the United Nations have?

   A 50 B 100 C 25 D 75
   Why: 50 nations signed the UN Charter on October 24, 1945, in San Francisco. Headquarters were established in New York City.
5. 05

   Which is NOT one of the five permanent veto-holding members of the UN Security Council?

   A United States B United Kingdom C Germany D China
   Why: The five permanent members are Britain, China, France, the U.S., and the Soviet Union (now Russia). Germany was a defeated power in 1945 and never joined as a permanent member.
6. 06

   Which Cold War strategy involved giving money and aid to win allies?

   A Brinkmanship B Espionage C Surrogate Wars D Foreign Aid
   Why: Foreign Aid bought allies. The Marshall Plan (U.S. to Western Europe) and Soviet aid for the Aswan High Dam (USSR to Egypt) are textbook examples.
7. 07

   What did the Berlin Airlift accomplish?

   A Bombed East Germany B Supplied West Berlin by air for 11 months while the USSR blockaded ground access C Evacuated Allied troops from East Berlin D Built the Berlin Wall
   Why: When Stalin blocked highway, water, and rail access to West Berlin in 1948, the U.S. and Britain flew in 2.3 million tons of supplies over 11 months. Stalin lifted the blockade in May 1949.
8. 08

   How much money did the Marshall Plan provide?

   A 1 billion dollars B 100 billion dollars C 12.5 billion dollars D 500 million dollars
   Why: 12.5 billion dollars in 1948 money. The largest foreign-aid program in human history at the time.

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Section 2 · Going Global

2.1 Three Worlds

After 1945, the globe split into three political blocs. Newly independent third-world countries became battlegrounds for influence between the first and second worlds.

2.2 Cold War hot spots, 1948 to 1975

The Cold War touched almost every region. Click each marker to see what happened.

2.3 The Cuban Revolution

Cuba is 90 miles from Florida. Throughout the 1950s, it was ruled by Fulgencio Batista, a brutal U.S.-backed dictator. American companies owned most of Cuba’s sugar industry, casinos, and resorts. The Cuban people were poor and angry.

In 1953, a young lawyer named Fidel Castro launched an armed rebellion from the mountains. After six years of guerrilla war, he marched into Havana on January 1, 1959.

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2.4 The Cuban Missile Crisis, October 1962

For 13 days in October 1962, the world stood on the edge of nuclear war. This is the marquee event of the entire Cold War.

Thirteen Days

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October 14, 1962. A U.S. U-2 spy plane photographs Cuba.

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The eight steps in detail

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2.5 Iran under the Shah

Halfway around the world, another Cold War flashpoint was building. Iran sits between the Persian Gulf and the USSR. It has more oil than almost anywhere on Earth.

In 1953, the U.S. and Britain ran a CIA coup that installed Mohammad Reza Pahlavi, known as the Shah, as Iran’s all-powerful monarch. The Shah was pro-Western, modernized Iran, and let American companies pump Iranian oil. He also ran a brutal secret police (SAVAK) that tortured opponents.

2.6 The Iranian Revolution, 1979

By late 1978, millions of Iranians were marching against the Shah. The leader of the opposition was Ayatollah Khomeini, a Shia cleric who had been exiled to Paris.

In January 1979, the Shah fled Iran. Khomeini returned. Iran became an Islamic theocracy: a government based on religious law, hostile to both the U.S. and the USSR.

Death to the Great Satan! (the United States)

Death to the Lesser Satan! (the Soviet Union)

2.7 The Iran Hostage Crisis, 1979 to 1981

In October 1979, the U.S. allowed the deposed Shah into the country for cancer treatment. Iran was furious. They demanded the Shah’s return for trial. The U.S. refused.

On November 4, 1979, Iranian student revolutionaries climbed the wall of the U.S. embassy in Tehran and seized everyone inside.

2.8 Iran-Iraq War, 1980 to 1988

In September 1980, Iraq’s dictator Saddam Hussein invaded Iran. Saddam thought the post-revolution chaos would make Iran easy to conquer. He was wrong.

Section 2 self-quiz

Q

Going Global

0 of 8 answered

Reset

1. 01

   Which of the following best describes the Three Worlds?

   A First World capitalist, Second World communist, Third World developing/non-aligned B First World rich, Second World middle-income, Third World poor C First World North, Second World South, Third World East D First World ancient, Second World modern, Third World postmodern
   Why: The First World was the U.S. and capitalist allies. The Second World was the USSR and communist allies. The Third World was the developing, often newly independent countries that frequently chose to stay non-aligned.
2. 02

   Who was Cuba's leader before Castro?

   A Khrushchev B Ho Chi Minh C Salvador Allende D Fulgencio Batista
   Why: Batista was a U.S.-backed dictator. Castro overthrew him on January 1, 1959.
3. 03

   Which of the following is NOT a step in the Cuban Missile Crisis?

   A Castro seized U.S.-owned sugar mills B Eisenhower imposed an embargo C Castro turned to the USSR for aid D Khrushchev invaded West Berlin
   Why: Khrushchev did not invade West Berlin during the Cuban Missile Crisis. He placed nuclear missiles in Cuba, which is what the crisis was about.
4. 04

   What ended the Cuban Missile Crisis?

   A U.S. invasion of Cuba B USSR removed missiles from Cuba; U.S. promised not to invade and secretly removed missiles from Turkey C UN peacekeepers separated the two D Khrushchev resigned
   Why: The deal had two halves: the public removal of Soviet missiles from Cuba, and the secret removal of U.S. missiles from Turkey. The secret part was kept quiet for years to make Khrushchev look like he had backed down.
5. 05

   Who led the Iranian Revolution in 1979?

   A Ayatollah Khomeini B The Shah C Saddam Hussein D Yasser Arafat
   Why: Ayatollah Khomeini, a Shia cleric who had been exiled to Paris, led the revolution. He returned to Iran in February 1979 to lead the new Islamic Republic.
6. 06

   How many Americans were held in the Iran Hostage Crisis, and for how long?

   A 100 hostages, 100 days B 20 hostages, 30 days C 52 hostages, 444 days D 1,000 hostages, 1,000 days
   Why: 52 Americans were held for 444 days, from November 4, 1979 to January 20, 1981. They were released the moment Reagan was inaugurated.
7. 07

   How long did the Iran-Iraq War last?

   A 6 months B 2 years C 8 years D 20 years
   Why: 1980 to 1988. Eight years. Over a million dead. No territory changed hands. The longest conventional war of the 20th century.
8. 08

   Which country invaded the other to start the Iran-Iraq War?

   A Iran invaded Iraq B Iraq invaded Iran C Both invaded simultaneously D Neither, it was a civil war
   Why: Iraq's Saddam Hussein invaded Iran in September 1980, expecting a quick victory over the chaotic post-revolution Iranian state. He miscalculated.

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Section 3 · The Thaw

3.1 Brinkmanship breaks down

After the Cuban Missile Crisis, both sides realized brinkmanship was too dangerous. One miscalculation could end civilization. Three U.S. presidents had pushed it to the limit:

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3.2 Nixon turns to Détente

Détente is French for “relaxing of tension.” It was Nixon’s complete pivot away from brinkmanship.

The architect of détente was Nixon’s Secretary of State, Henry Kissinger. Kissinger was a believer in realpolitik: foreign policy based on practical power, not ideology. He didn’t care if a country was communist or capitalist. He cared what they could do for the United States.

Three big moves of détente

3.3 The Soviet-Chinese Split

China and the USSR were both communist. They should have been close allies. Instead, they had one of the most bitter splits of the Cold War.

We will follow our own version of communism. Not Stalin’s. Not Khrushchev’s. Mine.

Then we will stop sending you economic aid. We will not share nuclear technology with you. You can fend for yourself.

3.4 Destalinization, the Khrushchev years

When Stalin died on March 5, 1953, the USSR exhaled. Stalin had murdered millions of his own people. His successor, Nikita Khrushchev, decided enough was enough.

In 1956, Khrushchev gave a secret speech to Soviet party leaders denouncing Stalin’s crimes. The speech leaked. The world learned what the USSR had done to itself.

3.5 Reagan and Renewed Tension

By 1981, when Ronald Reagan took office, détente had run its course. Reagan came in believing the Soviets were an “Evil Empire” and that the U.S. should win the Cold War, not just manage it.

Star Wars

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1983. Reagan announces the Strategic Defense Initiative.

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3.6 Gorbachev and the End of the Cold War

In March 1985, Mikhail Gorbachev became leader of the USSR. He was 54. He was the first Soviet leader born after the Russian Revolution. He understood that the USSR could not keep up with Reagan’s military buildup. The Soviet economy was rotting from the inside.

He launched three massive reforms.

3.7 The Berlin Wall falls, November 9, 1989

For 28 years the Berlin Wall stood as the symbol of a divided world. In the fall of 1989, it came down in a single night.

The Wall Falls

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Summer 1989. Hungary opens its border with Austria. East Germans flee through Hungary to the West.

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3.8 1989 in fast forward

A single calendar year ended an empire. Country after country broke from Soviet control without Soviet tanks rolling in to stop them, because Gorbachev refused to send the tanks.

Section 3 self-quiz

Q

The Thaw

0 of 8 answered

Reset

1. 01

   What does détente mean?

   A Aggressive military buildup B Easing of Cold War tensions through diplomacy C Trade embargo D Nuclear arms race
   Why: Détente is French for 'relaxing of tension.' It was Nixon's 1970s policy of easing Cold War hostilities through negotiation.
2. 02

   What is realpolitik?

   A Idealistic foreign policy based on values B A type of Russian opera C Pragmatic foreign policy based on practical power, not ideology D A military doctrine
   Why: Realpolitik is foreign policy based on what's practical, not what's ideologically pure. Kissinger and Nixon used it to open relations with communist China.
3. 03

   What did SALT I do?

   A Banned all nuclear weapons B Started the arms race C Built the Berlin Wall D Limited the number of strategic nuclear weapons (ICBMs and SLBMs)
   Why: Strategic Arms Limitation Treaty I, 1972. Capped the number of long-range nuclear missiles each side could deploy. First arms-control treaty between the superpowers.
4. 04

   What caused the Soviet-Chinese Split in 1959?

   A China wanted its own version of communism; USSR cut off aid and refused to share nuclear tech B China invaded the USSR C The U.S. forced them apart D Mao died
   Why: China wanted to follow its own path. The USSR responded by cutting off aid and refusing to share nuclear technology. Border clashes followed in 1969.
5. 05

   Who succeeded Stalin and began destalinization?

   A Brezhnev B Khrushchev C Gorbachev D Putin
   Why: Nikita Khrushchev took over after Stalin's death in 1953. He gave a 1956 secret speech denouncing Stalin's crimes and began removing Stalin's image from Soviet society.
6. 06

   What was Reagan's Strategic Defense Initiative (SDI)?

   A A trade agreement with the USSR B A nuclear treaty C A space-based missile defense system, nicknamed Star Wars D A jobs program
   Why: Announced March 1983. A proposed network of satellites and lasers that would shoot down Soviet missiles in flight. Never fully built, but pressured the Soviet economy by forcing them to plan countermeasures.
7. 07

   What were Gorbachev's three reforms?

   A Communism, capitalism, socialism B NATO, Warsaw Pact, Non-Aligned C Containment, brinkmanship, détente D Glasnost, perestroika, democratization
   Why: Glasnost (openness, free speech), perestroika (economic restructuring), and democratization (multi-candidate elections). All three together unintentionally ended the USSR.
8. 08

   When did the Berlin Wall fall?

   A November 9, 1989 B December 25, 1991 C October 3, 1990 D August 13, 1961
   Why: November 9, 1989. After mass protests, the East German government opened the border. Crowds from both sides immediately began climbing and dismantling the wall.

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Putting it all together

The big picture

Major Cold War leaders, side by side

Leader to country 0 / 12 matched

Terms

CastroStalinKhomeiniBrezhnevEisenhowerNixonReaganTrumanMao ZedongKennedyGorbachevKhrushchev

Definitions

USA (Brinkmanship, U-2)USA (Cuban Missile Crisis)Iran (Islamic Revolution)USSR (Glasnost, Perestroika)USSR (Sputnik, Cuba, Berlin Wall)China (Communist victory 1949)USA (Détente, China visit)USA (SDI, Evil Empire)USA (Containment, Marshall Plan)USSR (SALT I, Prague Spring)USSR (Yalta, Iron Curtain)Cuba (Communism + USSR alliance)

Put these in chronological order

Order Cold War events from earliest to latest

Shuffle Check

Find them on the map

Click each numbered marker to identify the Cold War flashpoint.

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Final exam cram

Mock final test, 50 minutes

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Cold War mock final, 25 questions

0 of 25 answered · quiz 1 / 3

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1. 01

   When did the Cold War begin and end?

   A 1939-1989 B 1948-1989 C 1945-1991 D 1950-1990
   Why: 1945 (end of WWII) to 1991 (USSR dissolves on Dec 25).
2. 02

   Who were the two leaders at Yalta along with Stalin?

   A Truman + Attlee B Roosevelt + Churchill C Eisenhower + Churchill D Truman + Churchill
   Why: Yalta Feb 1945: FDR, Churchill, Stalin. (FDR died April 1945, replaced by Truman at Potsdam.)
3. 03

   Stalin broke which Yalta promise?

   A Free elections in Eastern Europe B German reparations C Joining the Pacific war D UN membership
   Why: Stalin promised free elections in liberated Eastern European countries. He broke the promise immediately.
4. 04

   How many founding members did the UN have?

   A 50 B 100 C 25 D 150
   Why: 50 nations signed the UN Charter on October 24, 1945.
5. 05

   Which country is NOT a permanent UN Security Council veto member?

   A USA B Germany C USSR/Russia D China
   Why: The five permanent vetoes: Britain, China, France, USA, USSR. Germany was a defeated WWII power.
6. 06

   Who coined the term 'Iron Curtain'?

   A Stalin B Truman C FDR D Churchill
   Why: Winston Churchill, March 5, 1946, in Fulton, Missouri.
7. 07

   Which is NOT a Soviet satellite nation?

   A Poland B Hungary C Yugoslavia D Czechoslovakia
   Why: Yugoslavia under Tito broke from Stalin in 1948 and was non-aligned. The five satellites were Poland, Hungary, Romania, Bulgaria, Czechoslovakia (plus East Germany).
8. 08

   How long did the Berlin Airlift last?

   A 3 months B 1 year C 2 years D 11 months
   Why: 11 months, from June 1948 to May 1949.
9. 09

   How much money did the Marshall Plan provide?

   A 1 billion dollars B 12.5 billion dollars C 100 billion dollars D 500 million dollars
   Why: 12.5 billion dollars to rebuild Western Europe.
10. 10

    When was NATO formed?

    A 1945 B 1947 C 1949 D 1955
    Why: 1949. Warsaw Pact came in 1955 as a response.
11. 11

    What did the Warsaw Pact respond to?

    A The Marshall Plan B The Berlin Wall C Sputnik D NATO + West Germany joining NATO
    Why: The Warsaw Pact (1955) was the Soviet response to NATO and especially to West Germany joining NATO.
12. 12

    When did the USSR test its first hydrogen bomb?

    A 1945 B 1949 C 1953 D 1957
    Why: August 1953. The U.S. tested first in November 1952.
13. 13

    What was Sputnik?

    A The first artificial satellite, launched by USSR in 1957 B A Soviet leader C A nuclear bomb D A Cold War treaty
    Why: Sputnik 1, October 4, 1957. First artificial satellite. Started the Space Race.
14. 14

    Which strategy involves pushing conflict to the edge of war?

    A Containment B Détente C Realpolitik D Brinkmanship
    Why: Brinkmanship. Eisenhower and Dulles invented the term.
15. 15

    Who led the Cuban Revolution?

    A Castro B Khrushchev C Batista D Khomeini
    Why: Fidel Castro overthrew Fulgencio Batista on January 1, 1959.
16. 16

    What was the Bay of Pigs?

    A A successful U.S. invasion of Cuba B A Soviet invasion of Cuba C A failed U.S.-backed invasion of Cuba by Cuban exiles in 1961 D A naval blockade
    Why: April 1961. CIA-trained Cuban exiles invaded Cuba and were quickly defeated. Embarrassed Kennedy. Strengthened the Soviet-Cuban alliance.
17. 17

    Why did Kennedy choose 'quarantine' over 'blockade' for Cuba?

    A Blockades are slower B A blockade is technically an act of war C Quarantine sounds friendlier D It was a political slogan
    Why: A blockade is legally an act of war. 'Quarantine' was a careful word choice to avoid escalating to formal war.
18. 18

    What concession did Kennedy make secretly to end the Cuban Missile Crisis?

    A Promised not to invade Cuba AND secretly removed U.S. missiles from Turkey B Gave Cuba to Castro forever C Sold Cuba to the USSR D Recognized communist China
    Why: Public part: not invade Cuba. Secret part: remove U.S. missiles from Turkey.
19. 19

    Who led the Iranian Revolution?

    A The Shah B Saddam Hussein C Castro D Khomeini
    Why: Ayatollah Khomeini. He returned from exile in February 1979 and made Iran an Islamic theocracy.
20. 20

    How many Americans were taken hostage in Tehran, and for how long?

    A 100 hostages, 100 days B 20 hostages, 60 days C 300 hostages, 30 days D 52 hostages, 444 days
    Why: 52 hostages, 444 days. Released minutes after Reagan was inaugurated.
21. 21

    How long did the Iran-Iraq War last?

    A 2 years B 8 years C 5 years D 12 years
    Why: 1980 to 1988. 8 years. Stalemate. Over a million dead.
22. 22

    Who introduced détente?

    A Kennedy B Nixon C Reagan D Carter
    Why: Richard Nixon, advised by Henry Kissinger, introduced détente in the early 1970s.
23. 23

    What did SALT I do?

    A Banned nukes B Built nukes C Tested nukes D Limited ICBMs and SLBMs
    Why: Limited the number of intercontinental and submarine-launched ballistic missiles.
24. 24

    What were Gorbachev's three reforms?

    A Containment, brinkmanship, détente B NATO, Warsaw Pact, UN C Glasnost, perestroika, democratization D Truman, Marshall, Eisenhower
    Why: Glasnost (openness), perestroika (restructuring), democratization (limited elections).
25. 25

    When did the Berlin Wall fall?

    A November 9, 1989 B October 3, 1990 C December 25, 1991 D August 13, 1961
    Why: November 9, 1989. The USSR itself dissolved on December 25, 1991. Germany reunified October 3, 1990. The wall was built August 13, 1961.

1. 01

   Which conference broke the U.S.-USSR alliance?

   A Potsdam B Yalta C Tehran D Casablanca
   Why: Potsdam, July 1945. Truman demanded free elections. Stalin refused.
2. 02

   Where is the UN headquartered?

   A Geneva B Brussels C New York City D Paris
   Why: New York City. The five permanent veto members are Britain, China, France, USA, USSR/Russia.
3. 03

   Which strategy involves giving money to win allies?

   A Espionage B Brinkmanship C Propaganda D Foreign Aid
   Why: Foreign Aid. Examples: Marshall Plan (U.S. to Europe) and Soviet aid for the Aswan High Dam.
4. 04

   Which is NOT a satellite nation?

   A Poland B Hungary C Yugoslavia D Czechoslovakia
   Why: Yugoslavia broke from Stalin in 1948 and was non-aligned.
5. 05

   How many flights did the Berlin Airlift fly?

   A 27,000 B 277,000 C 2.7 million D 27 million
   Why: About 277,000 flights over 11 months.
6. 06

   What started the Space Race?

   A U-2 incident B Sputnik C Apollo 11 D SDI
   Why: Sputnik launched October 4, 1957.
7. 07

   Which president was in office during the Cuban Missile Crisis?

   A Eisenhower B Johnson C Nixon D Kennedy
   Why: John F. Kennedy. October 1962.
8. 08

   Iran's revolution turned the country into what?

   A An Islamic theocracy B A democracy C A monarchy D A communist state
   Why: An Islamic theocracy under Ayatollah Khomeini.
9. 09

   Which Soviet leader signed SALT I?

   A Stalin B Khrushchev C Brezhnev D Gorbachev
   Why: Leonid Brezhnev signed SALT I with Nixon in May 1972.
10. 10

    What does perestroika mean?

    A Openness B Restructuring C Democratization D Brinkmanship
    Why: Russian for 'restructuring.' Gorbachev's economic reform.

1. 01

   What is containment?

   A U.S. policy to stop the spread of communism without direct war B Direct invasion of communist countries C USSR strategy to expand D Trade agreement
   Why: Containment was the U.S. master strategy throughout the Cold War.
2. 02

   Where did the Truman Doctrine first apply?

   A Cuba and Vietnam B Korea and Japan C Greece and Turkey D Germany and Austria
   Why: Greece and Turkey, 1947.
3. 03

   Who said 'communism and capitalism cannot coexist'?

   A Truman B Mao C Churchill D Stalin
   Why: Stalin at the Potsdam Conference, July 1945.
4. 04

   Which is the closest the world came to nuclear war?

   A Berlin Airlift B U-2 Incident C Cuban Missile Crisis D Iran Hostage Crisis
   Why: Cuban Missile Crisis, October 1962. 13 days.
5. 05

   Bay of Pigs occurred in which year?

   A 1959 B 1961 C 1962 D 1963
   Why: April 1961, early in Kennedy's presidency.
6. 06

   What is the Non-Aligned Movement?

   A Newly independent third-world countries that refused to join either superpower bloc B U.S. allies who weren't in NATO C Soviet allies who weren't in Warsaw Pact D UN peacekeepers
   Why: Non-Aligned Movement: third-world countries (notably India) that refused to join either bloc.
7. 07

   Which president visited communist China first?

   A FDR B Truman C Kennedy D Nixon
   Why: Nixon visited Beijing in February 1972.
8. 08

   What was SDI nicknamed?

   A Iron Dome B Patriot C Star Wars D Sky Shield
   Why: Star Wars, after the popular movie.
9. 09

   What does glasnost mean?

   A Openness B Restructuring C Democratization D Containment
   Why: Russian for 'openness.' Gorbachev's free-speech and political-openness reform.
10. 10

    When did Germany reunify?

    A November 9, 1989 B October 3, 1990 C December 25, 1991 D August 1989
    Why: October 3, 1990. East and West Germany merged into one country less than a year after the wall fell.

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Cold War

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1945-1991 political and ideological conflict between the U.S. and USSR. No direct fighting, just tension, competition, and threats.

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Mnemonics

MAINS (six Cold War strategies)

Multinational alliances · Aid (foreign) · Intelligence (espionage) · Nuclear brinkmanship · Surrogate wars · plus Propaganda
(Six strategies, not five. The mnemonic is a memory crutch, not a complete list.)

YPN (the three big 1945 events)

Yalta · Potsdam · Nations (United)

CCCP (the four 1947-1949 containment moves)

Containment doctrine · Council aid (Truman Doctrine) · Cash (Marshall Plan) · Pact (NATO)

GPD (Gorbachev’s three reforms)

Glasnost · Perestroika · Democratization

CRUSH (Cuban Missile Crisis steps)

Castro takes power · Ruthless embargo by U.S. · USSR aid to Cuba · Surprise: Bay of Pigs fails · Heads-up: U-2 spots Soviet missiles
(Then: quarantine, deal, missiles out.)

Common pitfalls

It was NOT. The Cold War was political and ideological. The two superpowers never directly fought each other. Korea and Vietnam were proxy wars: U.S. fighting communist forces, but never directly fighting Soviet troops.

They are not. Yalta = the agreement (Feb 1945, FDR + Churchill + Stalin, cooperative). Potsdam = the breakdown (July 1945, Truman + Attlee + Stalin, hostile). The free-elections promise is at Yalta. The argument over keeping it is at Potsdam.

He absolutely did not. Gorbachev was trying to save the USSR by reforming it. He believed a more open, more efficient Soviet Union could survive. His reforms unleashed forces (nationalism, free press, economic chaos) that he could not control. By 1991 the USSR was gone. He was the last person to want that outcome.

Different things. The Iron Curtain is the metaphorical line dividing all of Eastern Europe from Western Europe (Churchill’s 1946 phrase). The Berlin Wall is one specific concrete wall, built in 1961, that divided just the city of Berlin. The wall was a physical piece of the larger curtain.

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