cold war key terms

The Truman Doctrine

US policy that pledged to assist countries threatened by communism, specifically Greece and Turkey.

Containment

A US cold war strategy that aimed to prevent the spread of communism by protecting smaller countries instead of directly overthrowing the USSR.

Domino Theory

The idea that if one country falls to communism, all surrounding countries would similarly fall, impacting many nations.

Soviet Expansion

The spread of Soviet influence and communist governments in Eastern Europe after World War II, leading to tensions that caused the Cold War.

Proxy War

A war where major powers support opposing sides of another conflict without directly fighting each other, as seen in Korea and Vietnam.

Iron Curtain

Churchill’s 1946 analogy describing the division between communist Eastern Europe and democratic Western Europe.

Potsdam Conference

July 1945 meeting between the US, UK, and USSR to finalize post-war Europe.

Yalta Conference

February 1945 meeting between the US, UK, and USSR to discuss post-war Europe, Germany’s division, and Soviet involvement in Japan.

Berlin Airlift

Allied power operation to fly into West Berlin during the USSR blockade.

Berlin Wall

Barrier built in 1961 by East Germany to prevent East Berliners from fleeing to the West.

The Marshall Plan

US program providing economic aid to rebuild Western European countries after WWII, aiming to create an alliance and bias towards capitalism.

The North Atlantic Treaty Organization (NATO)

Military alliance between US and Western European countries to protect against Soviet aggression.

NSC-68

1950 US government report calling for a massive military buildup to counter Soviet expansion, shaping Cold War defense policy.

The Korean War

Conflict between North Korea and South Korea that ended in a stalemate, with the North supported by communism and the South by capitalism.

Korean Demilitarized Zone (DMZ) and 38th Parallel

The heavily fortified border established after the Korean War, dividing North and South Korea at the 38th parallel.

French Rule in Vietnam

France’s colonial control over Vietnam (1800s–1954), facing resistance from nationalist and communist groups leading to the First Indochina War.

The Nuclear Arms Race

Cold War competition between the U.S. and the USSR to develop and stockpile nuclear weapons, escalating global tensions.

The Space Race

U.S.-Soviet competition to achieve space exploration milestones, symbolizing technological and ideological superiority during the Cold War.

Sputnik

The first artificial satellite, launched by the Soviet Union in 1957, which sparked U.S. fears of Soviet technological dominance.

Joseph McCarthy and McCarthyism

U.S. senator who led a campaign in the early 1950s accusing people of communist ties, fueling fear and paranoia during the Red Scare.

The Rosenbergs

Julius and Ethel Rosenberg, executed in 1953 for allegedly passing atomic secrets to the Soviet Union during the Red Scare.

Red Scare

Period of intense fear of communism in the U.S. after WWII, led to government loyalty programs, HUAC investigations, and widespread accusations.

Cold War Christianity

The use of religion, particularly Christianity, to promote anti-communist ideology in the U.S., reinforcing beliefs about communism's moral corruption.

The Military Industrial Complex

Term from President Eisenhower’s 1961 farewell address warning about the powerful relationship between the military and defense industries.

Global Independence Movements and decolonization

The process of former colonies gaining independence from European powers after WWII, influenced by Cold War politics.

The Bay of Pigs

Failed 1961 invasion of Cuba by U.S.-backed Cuban exiles attempting to overthrow Fidel Castro.

The Cuban Missile Crisis

1962 Cold War confrontation between the U.S. and USSR over Soviet nuclear missiles in Cuba.

The Nuclear Family

Post-WWII idealized family structure consisting of a father, mother, and children, reflecting Cold War-era gender roles.

Duck and Cover

Civil defense strategy taught to American children during the Cold War, instructing them to take cover during a nuclear attack drill.