Iron Curtain: This term refers to the division between Eastern and Western Europe during the Cold War, symbolizing the separation between communist and capitalist countries.
Truman Doctrine: This policy was developed by President Harry Truman in 1947 as a response to Soviet expansionism. It aimed to provide economic and military aid to countries threatened by communism.
Marshall Plan: Also known as the European Recovery Program, this initiative provided financial assistance from the United States to rebuild war-torn Western European economies after World War II. It aimed at preventing those countries from falling under Soviet influence.