The end of the Vietnam War was also a turning point for protest songs

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AP1965

FILE - College students from various nearby schools march down Commonwealth Avenue in Boston on Oct. 16, 1965 to attend rally on Boston Common protesting U.S. involvement in Vietnam. They're hallmarks of American history: protests, rallies, sit-ins, marches, disruptions. They date from the early days of what would become the United States to the sights and sounds currently echoing across the landscapes of the nation's colleges and universities. (AP Photo/Frank C. Curtin, File)