Harry S. Truman proclaimed on March 12, 1947 that "it must be the policy of the United States to support free peoples who are resisting attempted subjugation by armed minorities or outside pressures....
The Truman Doctrine was based on the U.S.A's fear of communism taking over the world. The main goal of the Truman Doctrine was to stop communism from spreading further ( containment of communism)...