Joint warfare in South Vietnam, 1963–1969 the election of Richard Nixon, and the change of U.S. policy to Vietnamization, or giving the main combat role back to the South Vietnamese military. The North Vietnamese term for the large-scale introduction of U.S. ground forces, in 1965, is the "Local War", according to Gen. Trần Văn Trà, the [North Vietnamese] " Party concluded, the "United States was forced to introduce its own troops because it was losing the war. It had lost the political game in Vietnam...the situation allows us to shift our revolution to a new stage, that of decisive victory." The Party issued a resolution to
1973 in the Vietnam War Nixon promised continued economic aid to South Vietnam, dependent upon U.S. congressional approval, and Thieu pledged to never ask the United States to reintroduce American troops into South Vietnam. The US and North Vietnam issued a joint communique calling on all parties to observe the 28 January ceasefire agreement with effect from 15 June. The Case–Church Amendment approved by the U.S. Congress and signed into law prohibited further U.S. military activity in Vietnam, Laos and Cambodia after 15 August 1973. This ended direct U.S. military involvement in the Vietnam War, although the U.S. continued to provide military equipment and economic