Pursuing a dangerous policy too the limit of safety before stopping.
The first artificial Earth satellite, launched by the Soviet Union.
The promotion of fear and the possible rise of communism.
red scare
The competition between the Soviet Union and the United States for supremacy in aircraft capability.
Space Race
The outlying, residential parts of a city.
An increase in birth rate after World War II.
baby boom
Behavior in accordance with rules and laws.
The state of political hostility between the Soviet Union and the United States from 1945 to 1990.
cold war
A state in East Asia that is divided into two distinct states.
A bomb that gets its destrictive power from the fission of heavy atomic nuclei that causes damage through heat, blast, and radiation.
atomic bomb
The 33rd President of the United States that ended WWII by dropping an atomic bomb on Japan.
Harry Truman
An American 5-star general and field marshal of the Philippine Army that played a vital role in the Korean War.
Douglas MacArthur
The easing of hostility or strained relations, especially between countries.
An American initiative to help Western Europe economies after the end of WWII.
marshall plan
Preventing the expansion of a hostile country or influence.
A competition between nations for superiority in the development and accumulation of weapons.
arms race
The idea that a political event in one country will cause similar events in nearby countries.
domino theory
An invasion of Egypt in late 1956 by Israel, followed by the UK and France.
Suez crisis
An American government official who was accused of being a soviet spy in 1948.
Alger Hiss
The event when a United States U-2 spy plane was shot down while in Soviet airspace.
U-2 Incident
A collective defense treaty amon the Soviet Union and 7 other Soviet satellite states in Central and Eastern Europe.
Warsaw pact