1972 in the Vietnam War Vietnam. South Vietnamese marines recaptured Quang Tri city from North Vietnamese forces. Quang Tri had been the only provincial capital to fall to the North Vietnamese in the Eastern offensive. Communist negotiators in Paris hinted for the first time that they could accept a peace agreement with the United States that did not require the ouster of President Thieu of South Vietnam. Communist negotiators in Paris proposed that a "Provisional Government of National Concord" be formed in South Vietnam to organize elections leading to the union of South and North Vietnam. In Paris, North Vietnamese negotiator Le Duc Tho gave
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