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The Cold War from 1945 to 1980

Grace Lewis

Grace Lewis

10 min read

Study Guide Overview

This AP US History study guide covers the Cold War, from its origins to dรฉtente. Key topics include the UN, atomic secrets, the Iron Curtain, Soviet satellite states, Truman's containment policy (Truman Doctrine and Marshall Plan), the Berlin Blockade and Airlift, NATO, the Chinese Civil War, the Korean War, massive retaliation, the U-2 incident, communism in Cuba (Bay of Pigs), the Berlin Wall, the Cuban Missile Crisis, Nixon's diplomacy, SALT treaties, and the impact of the Cold War on US foreign policy. It also includes practice questions and exam tips.

AP US History: Cold War Study Guide ๐Ÿš€

Hey there! Let's get you prepped and confident for your APUSH exam. This guide is designed to be your go-to resource, especially the night before the test. We'll break down the Cold War into manageable chunks, highlight key concepts, and make sure you're ready to ace it! Let's dive in!

1. Origins of the Cold War

The Cold War (1947-1991) was a clash of ideologies between the U.S. (democracy/capitalism) and the USSR (communism). It was a battle of influence, not direct military conflict, but it brought the world close to nuclear war several times. ๐Ÿ˜จ

The United Nations (UN)

The UN, founded in 1945, aimed for global cooperation. The General Assembly represents all members, while the Security Council (with 5 permanent members: U.S., UK, France, China, USSR) maintains international security. Optimism was high, but tensions quickly rose.

Key Concept

The UN Security Council's veto power for permanent members often led to gridlock during the Cold War. This highlights the limitations of international cooperation when major powers are in conflict.

Atomic Secrets

FDR and Churchill kept the atomic bomb a secret from Stalin. This mistrust led Stalin to start the Soviet atomic program in 1943. By the time Truman informed Stalin, the USSR was already well on its way to developing its own bomb. This secrecy fueled early Cold War tensions. ๐Ÿคซ

2. The Iron Curtain and Satellite States

Soviet Influence in Eastern Europe

In 1946, the USSR maintained forces in Central and Eastern Europe. Though elections were held, they were manipulated to install Communist dictators loyal to Moscow in countries like Poland, Romania, Bulgaria, Albania, Hungary, and Czechoslovakia. These nations became Soviet satellite states. ๐ŸŒ

Division of Germany

Germany was divided into Soviet, French, British, and U.S. zones. The Soviet zone became the German Democratic Republic (East Germany), a Communist state. The U.S. and Britain merged their zones, favoring German reunification and economic recovery. The USSR feared a resurgent Germany and tightened its grip on its zone. ๐Ÿ‡ฉ๐Ÿ‡ช

Map of Divided Germany
Image Courtesy of Reformation

The Iron Curtain

In 1946, Winston Churchill declared that an "iron curtain" had descended across Europe, dividing the democratic West from the communist East. This metaphor symbolized the ideological and physical division of Europe during the Cold War. ๐Ÿšง

Memory Aid

Think of the Iron Curtain as a literal barrier, like a heavy, impenetrable curtain, separating East and West. This helps visualize the division and lack of communication.

3. Trumanโ€™s Containment Policy

In 1947, President Truman adopted the containment policy to stop Soviet expansion. This became the cornerstone of U.S. foreign policy for decades. ๐Ÿ›‘

Truman Doctrine

The Truman Doctrine was a response to:

  • Communist uprising in Greece
  • Soviet demands in Turkey. Truman requested $400 million in aid to support โ€œfree peopleโ€ against โ€œtotalitarianโ€ regimes. This was an informal declaration of the Cold War. ๐Ÿ›๏ธ

Marshall Plan

The Marshall Plan (1948) was a massive U.S. aid program ($17 billion) to rebuild Europe. It aimed to prevent the spread of communism by fostering economic recovery. It worked by boosting Western European economies and increasing U.S. exports. ๐Ÿ’ฐ

Exam Tip

Remember the Marshall Plan as a key example of economic diplomacy. It shows how the U.S. used financial aid to achieve political goals.

4. Berlin Blockade and Airlift

Stalin blockaded all land access to Berlin (the Berlin Blockade). Truman responded with the Berlin Airlift, a massive operation to supply West Berlin by air. This showed U.S. resolve and forced Stalin to lift the blockade. โœˆ๏ธ

Berlin Airlift
Image Courtesy of Wikipedia
Quick Fact

The Berlin Airlift was a huge logistical achievement and a major propaganda victory for the U.S. It demonstrated the commitment to containing communism.

5. NATO

The North Atlantic Treaty Organization (NATO) was formed in 1949. It was a military alliance where an attack on one member is considered an attack on all. The U.S. extended its nuclear umbrella over Europe. General Dwight Eisenhower was appointed as NATO's supreme commander. ๐Ÿ›ก๏ธ

NATO is a crucial example of collective security and a cornerstone of U.S. foreign policy during and after the Cold War. Be sure to understand its purpose and significance.

6. The Chinese Civil War

The Chinese Civil War was between Chiang Kai-shekโ€™s Nationalists (supported by the U.S.) and Mao Tse-tungโ€™s Communists. Despite U.S. aid, the Communists won in 1949, establishing the People's Republic of China. The Nationalists fled to Formosa (Taiwan). Mao and Stalin signed the Sino-Soviet Treaty of Mutual Assistance. ๐Ÿ‡จ๐Ÿ‡ณ

Chinese Civil War
Image Courtesy of Britannica

7. The Korean War

Korea was divided at the 38th parallel after WWII. The North (Communist, led by Kim Il Sung) invaded the South (nationalist, led by Syngman Rhee) in 1950, starting the Korean War. The U.S. intervened under the UN banner, led by General Douglas MacArthur. The war ended in 1953 with an armistice, leaving Korea divided. ๐Ÿ‡ฐ๐Ÿ‡ท

Korean War
Image Courtesy of Britannica
Common Mistake

Many students confuse the Korean War with the Vietnam War. Remember that the Korean War occurred first and was fought under the UN banner.

Memory Aid

Remember the 38th parallel as the dividing line in Korea. Think of it as a line drawn on a map, separating the two sides.

8. Massive Retaliation and Dรฉtente

Massive Retaliation

Eisenhowerโ€™s policy of massive retaliation relied on nuclear weapons to deter Soviet aggression. The development of the hydrogen bomb led to the concept of mutually assured destruction (MAD), which prevented direct war between the superpowers. โ˜ข๏ธ

Geneva Convention

After Stalin's death, Eisenhower proposed the "atoms for peace" plan. The Geneva Summit in 1955 led to a brief thaw in the Cold War, known as the "spirit of Geneva". The U.S. proposed an โ€œopen skiesโ€ policy, which the Soviets rejected. ๐Ÿ•Š๏ธ

U-2 Incident

The U-2 incident in 1960, where a U.S. spy plane was shot down over the Soviet Union, exposed U.S. espionage and ended the "spirit of Geneva". Khrushchev denounced the U.S. and walked out of the Paris summit. ๐Ÿ›ฉ๏ธ

Exam Tip

Understand the concept of MAD. It's a key idea that shaped Cold War strategy and prevented a full-scale nuclear war.

9. Communism in Cuba

Castro's Rise

Fidel Castro overthrew the Cuban dictator in 1959 and established a Communist state. The U.S. cut off trade, and Castro turned to the Soviets for support. The U.S. authorized the CIA to train Cuban exiles to retake Cuba. ๐Ÿ‡จ๐Ÿ‡บ

Bay of Pigs Invasion

Kennedy approved the Bay of Pigs invasion in 1961, a failed attempt by Cuban exiles to overthrow Castro. The invasion was poorly executed and quickly defeated, damaging Kennedy's reputation. ๐Ÿท

10. Kennedy and Berlin

Berlin Wall

The Soviets built the Berlin Wall in 1961 to stop the flow of East Germans to the West. This wall became a symbol of the Cold War division. At Checkpoint Charlie, American and Russian tanks faced off. ๐Ÿงฑ

"Ich bin ein Berliner"

Kennedy's famous speech in Berlin, declaring "Ich bin ein Berliner", showed U.S. solidarity with West Berlin. He emphasized the importance of defending freedom. ๐Ÿ—ฃ๏ธ

11. Cuban Missile Crisis

Missile Buildup

In 1962, the Soviets began a massive arms buildup in Cuba, including nuclear missiles. This led to the Cuban Missile Crisis, the closest the world came to nuclear war. ๐Ÿš€

Cuban Missile Crisis
Image Courtesy of Smithsonian Magazine

Resolution

Kennedy imposed a naval quarantine of Cuba. After tense negotiations, Khrushchev agreed to remove the missiles in exchange for a U.S. promise not to invade Cuba and to remove U.S. missiles from Turkey. A โ€œhotlineโ€ was established for direct communication between Washington and Moscow. ๐Ÿ“ž

Memory Aid

Think of the Cuban Missile Crisis as a high-stakes game of chess, where one wrong move could have led to disaster. This helps illustrate the tension and danger of the situation.

12. Dรฉtente

Nixon's Diplomacy

Nixon and Kissinger pursued dรฉtente, a policy of reducing Cold War tensions. Nixon visited China in 1972, improving U.S.-China relations and leveraging the Sino-Soviet split. ๐Ÿค

SALT I

The Strategic Arms Limitation Talks (SALT) led to the SALT I treaty in 1972, limiting antiballistic missiles and freezing the number of ballistic missiles. This was a major step in arms control. ๐Ÿ“

Carter and the Cold War

Carter signed the SALT II treaty in 1979, but it was never ratified by the Senate. The Soviet invasion of Afghanistan in 1979 ended dรฉtente, and the Cold War resumed. Carter responded with the Carter Doctrine, halting grain exports and boycotting the 1980 Moscow Olympics. ๐Ÿƒ

Final Exam Focus

High-Priority Topics:

  • Containment Policy: Truman Doctrine, Marshall Plan, Berlin Airlift
  • Key Conflicts: Korean War, Cuban Missile Crisis
  • Arms Race: Massive Retaliation, MAD, SALT Treaties
  • Dรฉtente: Nixon's China visit, SALT I

Common Question Types:

  • Multiple Choice: Focus on key events, policies, and figures.
  • Short Answer: Analyze the causes and effects of specific events.
  • Free Response: Compare and contrast different aspects of the Cold War, analyze the impact of U.S. foreign policy.

Last-Minute Tips:

  • Time Management: Pace yourself, don't spend too long on any one question.
  • Common Pitfalls: Avoid vague answers, use specific evidence.
  • Strategies: Read questions carefully, plan your essays before writing, and always connect your points back to the main question.

Practice Questions

Practice Question

Multiple Choice

  1. The primary goal of the Marshall Plan was to: (A) Provide military aid to Western Europe (B) Promote democracy in Eastern Europe (C) Rebuild the economies of Western Europe (D) Establish a military alliance against the Soviet Union

  2. The Cuban Missile Crisis resulted in all of the following EXCEPT: (A) The establishment of a direct communication hotline between the U.S. and the Soviet Union. (B) A U.S. pledge not to invade Cuba. (C) The removal of U.S. missiles from Turkey. (D) The permanent stationing of Soviet missiles in Cuba.

  3. Which of the following best describes the policy of "massive retaliation"? (A) A diplomatic strategy aimed at reducing tensions with the Soviet Union. (B) A military strategy relying on the use of nuclear weapons to deter aggression. (C) An economic policy focused on rebuilding war-torn countries. (D) A cultural initiative designed to promote understanding between the U.S. and the Soviet Union.

Free Response Question

Analyze the ways in which the Cold War shaped United States foreign policy from 1945 to 1975. Point Breakdown:

  • Thesis (1 point): A clear, defensible thesis that addresses the prompt.
  • Argument Development (2 points): Provides specific examples of how the Cold War shaped U.S. foreign policy, such as containment, the Truman Doctrine, the Marshall Plan, intervention in Korea and Vietnam, the Cuban Missile Crisis, and dรฉtente.
  • Evidence (2 points): Supports the argument with specific historical evidence, including key events, policies, and figures.
  • Analysis (2 points): Explains how the evidence supports the argument and analyzes the broader implications of U.S. foreign policy during the Cold War.
  • Synthesis (1 point): Connects the Cold War to other historical periods or themes, demonstrating a broader understanding of U.S. history.

You've got this! You're well-prepared and ready to rock the APUSH exam. Believe in yourself, stay calm, and go get that 5!