During the Cold War, what was the main concern of the United States?

The main concern of the United States during the Cold War was communism. This period, which lasted roughly from the end of World War II to the early 1990s, was characterized by a significant ideological conflict between the capitalist United States and the communist Soviet Union. The U.S. government and society viewed communism as a direct threat to democratic freedoms and the capitalist economy, leading to the development of policies aimed at containing the spread of communism around the world.

The fear of communism influenced many aspects of American life, including foreign policy, military strategy, and domestic programs. This fear was evident in the establishment of doctrines such as the Truman Doctrine, which committed the U.S. to supporting countries resisting communism, and in events like the Korean War and the Vietnam War, where the spread of communism was actively opposed.

While fascism, socialism, and isolationism were also significant topics in different historical contexts, they did not represent the same level of focus or urgency for the United States during the Cold War as communism did. Fascism was largely seen as a defeated ideology after World War II, while socialism was viewed in a more complex light, sometimes connected with communism but not the direct target of U.S. policy. Isolation