The Vietnam War lasted from 1955 to 1975 between North and South Vietnam, with the United States and other countries siding with South Vietnam in an attempt to stop the spread of communism. Over 58,000 American soldiers were killed in action and over 150,000 were wounded during the war, which also spread to neighboring countries like Laos and Cambodia. The document provides casualty figures and background details on the key parties, dates, locations, and stated reasons for the Vietnam War.