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Truman Doctrine
The declaration of policy, pronounced by President Harry S. Truman, that wherever aggression threatened the peace of free nations, the security of the United States would become involved. Specifically, military and economic assistance would be provided for countries threatened by communist domination. This declaration effectively ended American isolationism.
In February 1947, the British Embassy in Washington, D.C., informed the United States that Britain could no longer continue aid to Greece and Turkey and that its aid would end by April 1, 1947. Britain expressed the hope that the United States could continue these aid efforts. Greece's economy and security had been deteriorating since World War II, and it was in the middle of a civil war. Turkey needed help in modernizing its society, especially its ...