Cold War: A prolonged geopolitical tension between the United States-led Western Bloc and Soviet Union-led Eastern Bloc after World War II, characterized by proxy wars and ideological rivalries.
Korean War: A conflict between North Korea (supported by China and Soviet Union) and South Korea (supported by United Nations forces led by the United States) from 1950 to 1953.
Vietnam War: A protracted conflict fought between North Vietnam (supported by communist allies) and South Vietnam (supported primarily by the United States) from 1955 to 1975.