What U.S. policy was implemented to support countries resisting communism during the Cold War?

The Truman Doctrine was a pivotal U.S. foreign policy declared by President Harry S. Truman in 1947. Its primary aim was to provide political, military, and economic assistance to countries that were resisting communist influence, particularly in the context of post-World War II Europe. This policy emerged largely in response to the geopolitical landscape of the time, where the spread of communism was perceived as a significant threat to democracy and free markets.

The essence of the Truman Doctrine was grounded in the belief that the United States had a responsibility to protect free peoples who were facing external pressures or internal subversion from totalitarian regimes. This was particularly evident in the American support for Greece and Turkey, which were at risk of falling under Soviet sway. The Doctrine set a precedent for American intervention in international conflicts and shaped U.S. foreign policy throughout the Cold War by framing the struggle against communism as a moral obligation.

Other options may relate to U.S. foreign policy, but they address different contexts or aims. For instance, the Marshall Plan focused on economic recovery in Europe post-WWII, the Eisenhower Doctrine targeted the Middle East during the Cold War with a specific focus on containing communism there, and the Monroe Doctrine was established much earlier in the