Unit 8 - The Cold War

Truman Doctrine

A 1947 policy by Harry S. Truman committing the U.S. to aid countries resisting communism, marking the start of containment.

Article X

A 1947 essay by George F. Kennan arguing the U.S. should contain Soviet expansion until it weakened over time.

George Kennan

A U.S. diplomat who developed the idea of containment, arguing the U.S. should limit Soviet expansion until it collapsed internally.

The Marshall Plan

A U.S. program (1948) that gave economic aid to rebuild Western Europe and stop the spread of communism.

NATO

A 1949 military alliance of the U.S. and Western nations agreeing to defend each other against Soviet attack.

The Berlin Airlift

A U.S.-led effort (1948–49) to supply West Berlin by air after the Soviets blocked land access.

National Security Act

A 1947 law that reorganized the military and created key Cold War agencies.

CIA, DOD, NSC

Agencies created in 1947 to manage intelligence (CIA), military (DOD), and security policy (NSC).

CIA Role in the Cold War

Conducted espionage and covert operations to fight communism.

Mao Zedong

Led the communist revolution and established the People’s Republic of China in 1949.

Chiang Kai-shek (Jiang Jieshi)

Led Nationalists in China and fled to Taiwan after losing to communists.

French Indochina War

A 1946–1954 war where France fought and lost to communist forces in Vietnam.

Douglas MacArthur

A Korean War general who pushed for expanding the war into China.

Douglas MacArthur Views

Believed the Korean War should be expanded into China and supported a more aggressive approach to stopping communism with the potential use of nuclear weapons.

Dwight D. Eisenhower

President who used nuclear threats and covert actions to contain communism.

The Korean War

A 1950–1953 war between communist North Korea and U.S.-backed South Korea.

Dwight D. Eisenhower Nuclear Policy

Supported nuclear weapons as a deterrent (massive retaliation) but also pushed to limit their spread and promote peaceful use (“Atoms for Peace”).

Korean War Outcome

It ended in a stalemate at the 38th parallel.

John Foster Dulles

Eisenhower’s Secretary of State who supported aggressive containment, especially brinkmanship, meaning pushing conflicts to the edge of war to make communist enemies back down.

U-2 Incident

A 1960 event where the USSR shot down a U.S. spy plane, escalating tensions and embarrassing Dwight D. Eisenhower.

Iran & Guatemala

1950s CIA-backed coups that overthrew governments seen as leaning communist to protect U.S. interests.

Suez Canal Crisis

A 1956 conflict where Egypt nationalized the canal, and U.S. pressure forced Britain, France, and Israel to withdraw, showing declining European power.

Fidel Castro

A communist leader who took power in Cuba in 1959 and aligned the country with the Soviet Union.

Nikita Khrushchev

Soviet leader who expanded communism and confronted the U.S. in major Cold War crises like Berlin and Cuba.

John F. Kennedy

President who took a firm but measured approach to communism, notably during the Cuban Missile Crisis.

Operation Mongoose

A secret U.S. plan to overthrow Fidel Castro after the Bay of Pigs failure.

Bay of Pigs Invasion

A failed 1961 U.S.-backed attempt under John F. Kennedy to overthrow Fidel Castro.

Cuban Missile Crisis Outcome

The USSR removed missiles from Cuba while the U.S. secretly removed missiles from Turkey and agreed not to invade Cuba.

Cuban Missile Crisis:

A 1962 standoff where the U.S. discovered Soviet missiles in Cuba, bringing the superpowers to the brink of nuclear war.

Black Saturday (Cuban Missile Crisis)

October 27, 1962—the most dangerous day of the crisis when a U.S. spy plane was shot down and nuclear war seemed imminent.

The Red Scare

A period of intense fear of communism in the U.S. that led to investigations and suspicion of citizens.

HUAC

A congressional committee that investigated suspected communists, especially in government and Hollywood.

Joseph McCarthy

A senator who led aggressive and often baseless accusations of communist infiltration in the U.S. government.

McCarthyism

The practice of making unproven accusations of communism, creating fear and damaging reputations.

The Lavender Scare

A campaign to remove LGBTQ+ people from government jobs because they were seen as security risks during the Cold War.

J. Robert Oppenheimer

The scientific leader of the Manhattan Project who later opposed further nuclear weapons development and lost his security clearance during the Red Scare.

Sputnik

A 1957 Soviet satellite that sparked the space race and increased U.S. fears of falling behind technologically.

Benjamin Spock

A doctor who promoted more flexible, child-centered parenting that reflected changing postwar family values.

Levittown

A mass-produced suburban community that symbolized postwar suburbanization and the growth of the middle class.

Suburbanization

The movement of people from cities to suburbs after WWII, driven by affordable housing, cars, and government support like the GI Bill.

National Housing Act

A law that made homeownership more affordable through government-backed mortgages, fueling suburban growth.

Interstate Highway Act

A 1956 law that funded a nationwide highway system, boosting travel, suburbanization, and national defense.

Servicemen’s Readjustment Act (GI Bill)

A 1944 law that provided returning WWII veterans with benefits like college tuition, low-cost mortgages, and unemployment pay.

National Defense Education Act

A 1958 law that increased funding for science, math, and language education to compete with the Soviet Union after Sputnik.

NASA

A U.S. agency created in 1958 to lead space exploration and compete with the Soviet Union in the space race.

Rachel Carson’s Silent Spring

A 1962 book exposing the dangers of pesticides that helped spark the environmental movement.

Alfred Kinsey

A scientist whose studies on human sexuality challenged traditional social norms in the 1950s.

The Beat Generation

A group of writers who rejected conformity and criticized materialism and traditional values in 1950s America.

Atomic Diplomacy

Using the threat of nuclear weapons to pressure other countries during the early Cold War.

Containment

A U.S. policy to stop the spread of communism without direct war with the Soviet Union.

Liberation

A policy idea of freeing countries already under communist control instead of just containing communism.

Decolonization / “Third World”

The process of colonies gaining independence, often becoming areas of Cold War competition between the U.S. and USSR.

Non-alignment / Neutralism

A policy where countries avoided siding with either the U.S. or the Soviet Union during the Cold War.

Communism vs. Capitalism

Communism is a system with government control of the economy and no private property, while capitalism is based on private ownership and free markets.

Plausible Deniability

A policy where the U.S. could deny involvement in covert actions, especially those carried out by the CIA.

The “New Look”

Dwight D. Eisenhower’s policy emphasizing nuclear weapons over conventional forces to contain communism at lower cost.

“Military-Industrial Complex”

A term used by Dwight D. Eisenhower warning that defense contractors and the military could gain too much influence over government policy.

Nuclear Deterrence / Brinkmanship

Using the threat of nuclear war to prevent conflict and pushing situations to the edge of war to force an opponent to back down.

“Flexible Response”

John F. Kennedy’s strategy of using a range of military options instead of relying only on nuclear weapons.

“Throwaway Society”

A culture where goods are quickly discarded and replaced due to mass production and consumer habits.

Planned Obsolescence

Designing products to wear out or become outdated quickly so consumers must replace them.

Conformity

Pressure in 1950s America to follow traditional roles and shared social norms in behavior, gender, and beliefs.

Consumerism

A culture focused on buying goods as a measure of success and a driver of economic growth.

“Television Togetherness”

The idea that families gathered around TV, reinforcing shared culture and traditional values.

Youth Subculture

A distinct youth culture that began to challenge mainstream values through music, fashion, and behavior in the 1950s.

Domino Theory

The idea that if one country fell to communism, nearby countries would follow.

Berlin Wall

A barrier built in 1961 to stop East Germans from fleeing to West Berlin.

Proxy War

A conflict where major powers support opposing sides without fighting directly.

Hotline

A direct communication line set up between the U.S. and USSR after the Cuban Missile Crisis.

Mutually Assured Destruction (MAD)

A policy where both the U.S. and USSR had enough nuclear weapons to destroy each other, preventing war because neither side could survive.