The statement given is true because the Vietnam War was a political, military, and social disaster, and the only war the US has ever lost.
The Vietnam War was a costly, long, and divisive conflict that excavated the communist government of North Vietnam against South Vietnam and its principal ally, the United States. The conflict was intensified by the ongoing Cold War between the Soviet Union and the United States. Despite the decade to resolve this conflict, the United States failed to achieve its objectives. One factor that contributed to the failure of the United States in Vietnam was the lack of public support.
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