consequences of the Truman Doctrine and how it affected other areas of American history. President Harry S. Truman unveiled the Truman Doctrine on March 12, 1947, after the end of World War II, in a speech he gave to Congress. It was a doctrine dedicated to supporting democracy and fighting communism around the world, because Truman felt America had an obligation to others as a leader of the free world. He also believed communism was a real threat and he wanted to make sure that it did not spread outside Europe. The Truman Doctrine had completely good intentions, but experts believe it helped lead to the Cold War and draw up a wall between the United States and the Soviet Union that lasted for decades.

In the short-term, many positive aspects of the Truman Doctrine began to be felt. The Marshall Plan, which operated from 1948 through 1952, was an...
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