Gulf of Tonkin Resolution

(1964)

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Approved by the U.S. Congress on August 7, 1964, by an almost unanimous vote, the Gulf of Tonkin Resolution marked the beginning of the Vietnam War, authorizing American military intervention “to promote the maintenance of international peace and security in southeast Asia.” Thus, after years of providing indirect help to the South Vietnamese government against the Vietcong—Communist rebels supported by the North Vietnamese regime of Ho Chi Minh—the United States directly entered the...