1975 in the Vietnam War not going to intervene militarily in South Vietnam and therefore North Vietnam had the opportunity to "destroy and disintegrate" the South Vietnamese army. The United States Department of State protested that North Vietnam had violated the 1973 Paris Peace Accord by infiltrating 160,000 soldiers and 400 armored vehicles into South Vietnam. North Vietnam had improved the Ho Chi Minh trail, now a network or all-weather roads, through Cambodia, and Laos and expanded their armament stockpiles. Asked at a press conference if there were circumstances under which the United States might again actively participate in the Vietnam War U.S. President Gerald
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