When he assumed the presidency Richard Nixon announced a new policy regarding the Vietnam war known as Vietnamization.
Through a programmed to "expand, equip, and train South Vietnamese forces and allocate to them an ever-increasing combat role, at the same time systematically lowering the number of U.S. combat soldiers," the Richard Nixon administration sought to end American involvement in the Vietnam War.
The Tet Offensive by the Viet Cong prompted the policy, which was in line with that of U.S. foreign military assistance organizations. It particularly included ground combat U.S. combat forces, although it did not rule out air combat or support for South Vietnam.
The revelation of American forces massacring villagers at My Lai in 1968 increased American citizens' mistrust of their government, which had already started to grow after the offensive.
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