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House Un-American Activities Committee formed
an investigative committee of the US House of Representatives -
United Nation
international org. for keeping peace in the world -
Yalta Conference
conference between the same three leaders as the pootsdam conference. -
Potsdam Conference
conference between Russian leader Stalin, Great Britain leader Churchill, and US leader Roosevelt -
Truman Doctrine
strategy for containing communism -
Marshall Plan
the primary program of the US for rebuilding Western Europe -
Era of McCarthyism begins
the politically motivated practice of making accusations of disloyalty, subversion, or treason without proper evidence -
Berlin Airlift
Soviet Union blocked the Western Allies' path to their sectors of Berlin -
NATO
Allies' that include the US, Britain, Canada, and 25 other independant countries -
North Korean invasion of South Korea
military conflict between North and South Korea -
Rosenberg Execution
Julius and Ethel Rosenberg were american communist who were executed for espionage -
Armistice SIgned Ending Korean War
a ceasefire between the two countries because no one was gaining any ground on the other -
Warsaw Pact
pact between the USSR and all of its satellite states -
Sputnik 1
helped to identify the upper atmospheric layer's density -
Creation of the Befrlin Wall
concrete barrier built by East Germany, seperating East Berlin from West Berlin -
First man in Space
Yuri Gagarin was the first man in space -
First American in Space
Alan Shepherd was the first American in space -
First Man on the Moon
Neil Armstrong was the first man to step on the moon
