a strip of land running across the Korean Peninsula that serves as a buffer zone between North and South Korea which runs along the 38th parallel north
a war between the Republic of Korea (South) and the Democratic People's Republic of Korea(North)
the U.S. would support Greece and Turkey with economic and military aid to prevent their falling into the Soviet sphere. Historians often consider it as the start of the Cold War.
a continuing state of political and military tension between the powers of the Western world, led by the United States and its NATO allies, and the communist world, led by the Soviet Union, and allies. This began after the success of their temporary wartime alliance against Germany, leaving the USSR and the US as two superpowers with profound economic and political differences.