to keep Americans from entering Russia

to keep people from communist East Berlin from entering democratic West Berlin

to stop Germany from invading Great Britain

to keep the U.AS.S.R. from invading Germany

The US wanted to prevent other countries from becoming Communist.

The US wanted to prevent other countries from becoming Captilst

The US hoped to convince North Vietnam and its allies to join NATO

The American people wanted to protest actions that harmed South Vietnamese people.

to stop the Red Scare in the US

to respond to the Warsaw Pact

to defend member countries from the threat of communism

to end the construction of nuclear missiles