United States
Truman Doctrine
The Truman Doctrine, a product of the Cold War, was put through president Truman and it claimed that it was America's duty to intervine if a nation's government is being threatened by outside pressure (communism).
Related: SALT II | Cuban Missile crises | Bay of Pigs | Sputnik | Warsaw Pact, CENTO | SEATO | McCarthism | Berlin Blockade, Marshall Plan | NATO | Berlin wall

American continent
OAS
The OAS, or the Organization of American States, was part of the policy of containment against communism along with NATO, CENTO and SEATO. It united all non-communist Ameriacn states against communist influence.
Related: SALT II | Cuban Missile crises | Bay of Pigs | Sputnik | Warsaw Pact, CENTO | SEATO | McCarthism | Berlin Blockade, Marshall Plan | NATO | Berlin wall

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