USA HISTORY

Detailed explanation-1: -Allegedly unprovoked attacks on two U.S. destroyers by North Vietnamese torpedo boats in the Gulf of Tonkin on August 5, 1964; passage of the ensuing Gulf of Tonkin Resolution gave the U.S. president new authority to wage war.

Detailed explanation-2: -The Vietnam War (1955-1975) was fought between communist North Vietnam, backed by the Soviet Union and China, and South Vietnam, supported by the United States. The bloody conflict had its roots in French colonial rule and an independence movement driven by communist leader Ho Chi Minh.