The document summarizes several Cold War conflicts between communist and capitalist nations from 1950 to the 1960s. It describes the division and wars in Korea and Vietnam, where the US and UN supported South Korea and South Vietnam against communist North Korea, China, and North Vietnam. It also discusses the Cuban Missile Crisis of 1962, when the US and USSR came close to nuclear war over Soviet nuclear missiles placed in Cuba. Finally, it notes the competition for influence between the US and USSR in newly independent African nations after World War II.