The US left the Vietnam War in the
(A
early'60s.
B
early '70s.
C
late '60s.
! D
late '70s.

B. Early 1970s

Explanation:

the signing of the Vietnam peace agreement. In January 1973, representatives of the United States, North and South Vietnam, and the Vietcong signed a peace agreement in Paris, ending the direct U.S. military involvement in the Vietnam War. Its key provisions included a cease-fire throughout Vietnam, the withdrawal of U.S. forces, the release of prisoners of war, and the reunification of North and South Vietnam through peaceful means. The South Vietnamese government was to remain in place until new elections were held, and North Vietnamese forces in the South were not to advance further nor be reinforced.

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explanation: