In the United States foreign policy post World War II, the US was heavily involved in foreign affairs through the policy of Containment hopes of stopping the spread of Communism. The Truman Doctrine stated that the US would support Greece and Turkey with economic military aid. The Marshall Plan was used to aid Europe where the United States would give monetary support to help rebuild European economies after the end of World War II in order to prevent the spread of Soviet communism. There were also Truman’s Point Four Program and The Berlin Airlift that were in the US foreign policy. The United States sought to find and deport political agitator through HUAC and the McCarthy Hearing. They wanted to eliminate future warfare through the forming of NATO and the UN. During the Eisenhower administration the government extended its containment policy to cover the Middle East as well as following the Suez Canal crisis. This came to be known as the Eisenhower Doctrine.
In conclusion, the United States foreign policy after World War I was isolationism and withdrawal from world affairs, in which they refused to join the League of Nations and after World War II, there was full engagement with world affairs on a global scale. There was restricted immigration with the Emergency Quota Act and the Immigration Act. The US was heavily involved in foreign affairs through the policy of Containment hopes of stopping the spread of Communism.
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This is a well structured and clearly written response, with excellent knowledge of the relevant pieces of US legislation. More dates could have been included however, and not all points were explained or linked to the question. Reasoning could have been taken further in the conclusion. 4 out of 5 stars.