The Truman Doctrine aimed to support countries facing Communist threats like Greece and Turkey, setting the stage for U.S. intervention. The domino theory justified U.S. support for South Vietnam to prevent the spread of Communism.
The Truman Doctrine was a U.S. policy announced in 1947 aimed at supporting free peoples facing Communist threats, such as Greece and Turkey. It set the stage for U.S. intervention to prevent the spread of Communism.
The domino theory justified U.S. support for South Vietnam by suggesting that if one country fell to Communism, it would lead to others falling as well. Hence, supporting South Vietnam was seen as crucial in preventing the spread of Communism in the region.
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