What was the Truman Doctrine?
- The United States' promise that it would allow the Soviet Union to dominate eastern Europe.
> With the Truman Doctrine, President Harry S. Truman established that the United States would provide political, military and economic assistance to all democratic nations under threat from external or internal authoritarian forces.
> The Truman Doctrine was an American foreign policy with the primary goal of containing Soviet geopolitical expansion during the Cold War.
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