The document summarizes several proxy wars between the United States and Soviet Union during the Cold War era. It describes the Greek Civil War from 1946 to 1949, where the UK and US backed Greek democrats against communists backed by Russia and other neighboring countries. It then briefly mentions the Korean War, Bay of Pigs Invasion, Vietnam War, Chilean coup d'etat, war in Afghanistan, and Angolan Civil War as other examples of proxy conflicts between the two superpowers during the Cold War.