Key Terms
Space Race
Korean War
Nuclear Expansion
McCarthyism
100

a marked increase in the U.S. birthrate during 1946-1964

baby boom

100

This mission, Apollo 11, successfully landed the first humans on the Moon in 1969

Apollo Lunar Module Eagle

100

Although the Korean War ended in 1953, no formal peace treaty was signed. What was agreed upon instead?

Armistice

100

This top-secret project during World War II led to the development of the first atomic bombs

Manhattan Project

100

McCarthyism is named after what U.S. senator known for his anti-communist crusade in the early 1950s

Senator Joseph R. McCarthy

200

the theory that if Communism made inroads in one nation, surrounding nations would also succumb one by one, like a chain of dominos toppling one another

domino theory

200

This astronaut became the first American to orbit the Earth in 1962

John Glen

200

The Korean War ended in a stalemate, with the border between North and South Korea remaining largely unchanged. What is the name of this border?

Korean Demilitarized Zone

200

This international treaty, signed in 1968, aimed to prevent the spread of nuclear weapons and promote disarmament

Non-Proliferation Treaty

200

These televised hearings in 1954 investigated Senator Joseph McCarthy's allegations of communist influence in the U.S. Army

Army McCarthy

300

the U.S. policy that sought to limit the expansion of Communism abroad

containment

300

 In 1961, this Soviet cosmonaut became the first human to travel into space and orbit the Earth

Yuri Gagarin

300

This U.S. President relieved General Douglas MacArthur of his command during the Korean War due to disagreements over war strategy

Harry Truman

300

This country became the first outside the original nuclear powers to develop nuclear weapons

The United States

300

What government agency conducted high-profile investigations into alleged communist influence in American life, particularly in this industry

The House Un-American Activities Committee (HUAC)

400

a list of people suspected of having Communist sympathies who were denied work as a result

blacklist

400

The Soviet Union launched this satellite into orbit on October 4, 1957, marking the beginning of the Space Age

Sputnik I

400

The invasion led by General Douglas MacArthur, turned the tide of the Korean War in favor of United Nations forces. 

Inchon Landing

400

This landmark agreement, signed in 1987, banned the possession and production of intermediate-range nuclear missiles by the United States and the Soviet Union

The Intermediate- Range Nuclear Forces Treaty

400

This entertainment industry enforced a blacklist, banning suspected communists from working in film and television

Hollywood Blacklist

500

the removal of laws and policies requiring the separation of different racial or ethnic groups

desegregation

500

This German engineer, known as the father of rocketry, played a crucial role in the development of rocket technology for both the United States and Germany during World War II

Wernher Von Braun

500

In this brutal battle during the Korean War, United Nations forces faced harsh weather conditions and a massive Chinese counterattack

Battle of Chosen Reservior

500

This remote Pacific atoll was the site of numerous nuclear tests conducted by the United States during the Cold War

Bikini Atoll

500

These papers were released in the 1990s, confirmed suspicions of Soviet espionage in the United States during the Cold War, validating some of the claims made during this era

Venona Papers