A state of political hostility between the Soviet Union and the United States characterized by threats, propaganda, and other measures short of open warfare.
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Soviet Union
A socialist state that existed from 1922 to 1991, comprised of Russia and several other republics.
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Joseph Stalin
Leader of the Soviet Union from the mid-1920s until his death in 1953, known for his totalitarian regime.
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United Nations
An international organization founded in 1945 to promote peace, security, and cooperation among countries.
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satellites
Nations that are politically or economically dominated by a more powerful nation.
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Winston Churchill
Prime Minister of the United Kingdom during World War II, known for his leadership and speeches.
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Iron Curtain
A term used to describe the division between the Soviet-controlled East and the West during the Cold War.
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containment policy
The U.S. strategy during the Cold War to prevent the spread of communism.
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George Marshall
U.S. Secretary of State who proposed the Marshall Plan for European recovery after World War II.
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Truman Doctrine
A U.S. policy established in 1947 to provide political, military, and economic assistance to countries resisting communism.
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Marshall Plan
A U.S. program providing aid to Western Europe to help rebuild after World War II.
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Berlin airlift
A military operation in 1948-1949 to supply West Berlin with food and fuel during a Soviet blockade.
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West Germany
A democratic nation formed in 1949, officially the Federal Republic of Germany.
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East Germany
A socialist state formed in 1949, officially the German Democratic Republic.
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North Atlantic Treaty Organization (NATO)
A military alliance established in 1949 between North American and European countries to counter Soviet expansion.
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Warsaw Pact
A military alliance of communist nations in Eastern Europe established in 1955 as a response to NATO.
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National Security Act
A 1947 act that created the Department of Defense, the National Security Council, and the CIA.
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arms race
A competition between nations for superiority in the development and accumulation of weapons.
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Douglas MacArthur
An American general who played a prominent role in the Pacific theater during World War II.
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Mao Zedong
The founding father of the People's Republic of China and its leader from 1949 until his death in 1976.
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People’s Republic of China
The official name of China, established in 1949, under communist rule.
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38th parallel
The line that divided North and South Korea before and during the Korean War.
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Korean War
A conflict that lasted from 1950 to 1953 between North Korea (with support from China and the Soviet Union) and South Korea (with support from the United Nations).
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John Foster Dulles
U.S. Secretary of State who advocated for the policy of containment and a strong anti-communist stance.
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brinkmanship
A strategy in international relations that involves pushing dangerous events to the brink of active conflict.
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massive retaliation
A military doctrine associated with the Cold War strategy of response to nuclear attacks.
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Korean armistice
An agreement that ended hostilities in the Korean War in 1953.
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Nikita Khrushchev
Leader of the Soviet Union from 1953 to 1964 known for denouncing Stalin and for his role in the Cuban Missile Crisis.
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Sputnik
The first artificial satellite launched by the Soviet Union in 1957, marking the start of the space age.
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National Aeronautics and Space Administration (NASA)
The U.S. government agency responsible for the nation's civilian space program and for aeronautics and aerospace research.
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U-2 incident
In 1960, an American U-2 spy plane was shot down over Soviet airspace, increasing tensions during the Cold War.
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Fidel Castro
Cuban leader who established a communist state in Cuba and was a prominent figure during the Cold War.
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military-industrial complex
The relationship between a country's military and the defense industries that supply it.
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Bay of Pigs
A failed invasion of Cuba in 1961 by a CIA-sponsored paramilitary group composed of Cuban exiles.
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Berlin Wall
A concrete barrier that divided East and West Berlin from 1961 to 1989, symbolizing the Cold War.
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Cuban missile crisis
A 13-day confrontation in 1962 between the U.S. and the Soviet Union over Soviet ballistic missiles deployed in Cuba.
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Nuclear Test Ban Treaty
An agreement among nations to prohibit all nuclear test explosions.
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flexible-response policy
A defense strategy that involved a range of military options to deter different threats.
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Non-Proliferation Treaty
An international treaty aimed at preventing the spread of nuclear weapons.
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Henry Kissinger
U.S. Secretary of State and National Security Advisor who played a significant role in U.S. foreign policy during the 1970s.
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detente
A period of improved relations between the United States and the Soviet Union during the 1970s.
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anti-ballistic missiles (ABMs)
Missiles designed to intercept and destroy incoming ballistic missiles.
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Strategic Arms Limitation Talks (SALT)
Negotiations between the United States and the Soviet Union aimed at curtailing the manufacture of strategic missiles.
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Loyalty Review Board
A board established by the U.S. government during the Cold War to investigate the loyalty of federal employees.
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Dennis et al. v. United States
A significant Supreme Court case regarding the limits of free speech and subversion.
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Smith Act (1940)
A federal statute that made it a criminal offense to advocate the violent overthrow of the government.
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McCarran Internal Security Act
A 1950 law designed to control the activities of communist organizations in the U.S.
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House Un-American Activities Committee (HUAC)
A committee of the U.S. House of Representatives that investigated allegations of subversive activities.
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Alger Hiss
A former State Department official accused of being a Soviet spy and convicted of perjury.
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Julius and Ethel Rosenberg
American couple executed for conspiracy to commit espionage for the Soviet Union.
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McCarthyism
A campaign against alleged communists in the U.S. during the early 1950s led by Senator Joseph McCarthy.
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Harry S. Truman
The 33rd President of the United States, known for his role in post-war recovery and the Cold War.
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Employment Act of 1946
Legislation aimed at promoting maximum employment, production, and purchasing power.
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Servicemen’s Readjustment Act (GI Bill of Rights)
A law that provided various benefits to returning World War II veterans.
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baby boom
A significant increase in the birth rate following World War II.
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Levittown
Affordable suburban housing developments built after World War II that symbolized post-war prosperity.
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22nd Amendment
An amendment to the U.S. Constitution limiting the president to two terms.
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Taft-Hartley Act
A law that restricted the activities and power of labor unions.
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Fair Deal
President Truman's proposal for widespread social reforms after World War II.
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Dwight D. Eisenhower
The 34th President of the United States, known for his leadership during the Cold War and the creation of the Interstate Highway System.
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modern Republicanism
An approach to governance embraced by Eisenhower that aimed to balance conservative economic policies with social welfare.
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Highway Act
A law passed in 1956 to fund the construction of the Interstate Highway System.
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New Frontier
President John F. Kennedy's domestic program aimed at improving education, healthcare, and civil rights.
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beatniks
Members of a 1950s subculture that rejected the conventional norms of society.
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Jackie Robinson
The first African American to play in Major League Baseball, breaking the color barrier in 1947.
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Committee on Civil Rights
A committee established by President Truman in 1946 to recommend measures to ensure civil rights.
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Thurgood Marshall
The first African American Supreme Court Justice, known for his civil rights advocacy.
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Brown v. Board of Education of Topeka
The 1954 Supreme Court case that declared public school segregation unconstitutional.
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Southern Manifesto
A document written in 1956 that opposed desegregation in the South and advocated for states' rights.
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desegregation
The process of ending the separation of two groups, particularly in reference to races.
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Little Rock
A notable incident in 1957 involving the desegregation of Central High School in Arkansas.
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Rosa Parks
Civil rights activist known for her pivotal role in the Montgomery bus boycott.
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Martin Luther King Jr.
A leader in the civil rights movement, known for his nonviolent protests and the "I Have a Dream" speech.
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Montgomery bus boycott
A protest against racial segregation on public buses in Montgomery, Alabama, initiated by Rosa Parks.
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Southern Christian Leadership Conference (SCLC)
An organization founded in 1957 that focused on nonviolent civil rights activism.
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sit-in movement
A form of protest where participants occupy a place and refuse to leave to promote civil rights.
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Student Nonviolent Coordinating Committee (SNCC)
A civil rights organization formed in 1960 that played a key role in the sit-in movement.
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covert action
Secret operations aimed at influencing political outcomes in other countries.
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Suez crisis
A diplomatic crisis in 1956 when Egypt nationalized the Suez Canal, leading to military intervention.
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Eisenhower Doctrine
A U.S. policy that pledged American military and economic assistance to Middle Eastern countries resisting communism.
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Organization of Petroleum Exporting Countries (OPEC)
A group of oil-producing countries that coordinated and unified petroleum policies.
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Yom Kippur (October) War
A war fought by Israel against a coalition of Arab states led by Egypt and Syria in 1973.
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oil embargo
A restriction on the export of oil, used as a political tool.
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Camp David Accords
A peace treaty between Israel and Egypt brokered by U.S. President Jimmy Carter.
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Peace Corps
A U.S. government program that sends American volunteers to work on development projects in countries abroad.
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Alliance for Progress
A program initiated by President Kennedy to support economic development in Latin America.
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Ngo Dinh Diem
The leader of South Vietnam whose regime was supported by the United States but faced opposition.
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domino theory
The idea that if one country falls to communism, neighboring countries will also fall.
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Southeast Asia Treaty Organization (SEATO)
A regional defense organization formed in 1954 to prevent the spread of communism in Southeast Asia.
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Tonkin Gulf Resolution
A resolution passed by Congress in 1964 giving the President authority to use military force in Vietnam.
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General William Westmoreland
Commander of U.S. forces in Vietnam during the height of the Vietnam War.
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Tet Offensive
A series of surprise attacks by North Vietnamese forces during the Vietnam War in 1968.
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Robert F. Kennedy
U.S. Senator and presidential candidate who was assassinated in 1968.
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Richard Nixon
The 37th President of the United States, known for ending U.S. involvement in Vietnam.
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Democratic Convention in Chicago
The 1968 convention marked by protests and a controversial nomination process.
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Hubert Humphrey
Democratic presidential candidate in 1968, who succeeded Lyndon Johnson as Vice President.
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Henry Kissinger
A diplomat and political scientist who served as National Security Advisor and Secretary of State under Nixon.
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Vietnamization
Nixon's policy aimed at transferring the responsibility of war efforts from U.S. forces to South Vietnamese troops.
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Nixon Doctrine
A foreign policy that stated the U.S. would support allies with military and economic aid, but not with U.S. ground troops.
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Kent State
A university where four students were killed by National Guardsmen during a protest against the Vietnam War in 1970.