The colony had a ceasefire throughout Vietnam. In addition, the United States agreed to the withdrawal of all U.S. troops and advisors (approximately 23,700 in total) and the dismantling of all U.S. bases within 60 days. In exchange, the North Vietnamese agreed to release all American and other prisoners of war. When the ceasefire came into effect, Saigon controlled about 75 percent of South Vietnam`s territory and 85 percent of the population. The South Vietnamese military was well equipped with last-minute deliveries of U.S. weapons and continued to receive U.S. assistance after the ceasefire.
The CIA has estimated the North Vietnamese presence in the South at 145,000 men, about as many as last year. The ceasefire began in time, but both sides violated it. South Vietnamese troops continued to retake communist-occupied villages in the two days before the ceasefire expired, and the Communists attempted to conquer additional territory. 2011 October – China and Vietnam sign an agreement to deal with the conflict in the South China Sea. It includes an emergency call number for emergencies and a provision for bilateral meetings that take place twice a year. The Paris peace accords effectively distanced the United States from the Vietnam conflict. However, the provisions of the agreement were regularly flouted by both the North Vietnamese government and the South Vietnamese government, which did not elicit a reaction from the United States and eventually led the Communists to expand the territory they controlled until the end of 1973. North Vietnamese forces gradually built their military infrastructure in the areas they controlled and, two years later, were able to launch a successful offensive that ended the status of an independent country in South Vietnam. Fighting began almost immediately after the signing of the agreement, due to a series of reciprocal reprisals, and the war resumed in March 1973.  North Vietnam insisted for three years that the agreement could not be reached unless the United States agreed to remove South Vietnamese President Nguyen Vén Thiu from power and replace him with someone more acceptable to Hanoi. Nixon and Kissinger were not prepared to sign an agreement to overthrow a government that had not overthrew the NLF by force of arms, although the scale of North Vietnam`s claims is controversial.
Historian Marilyn B. Young argues that the content of Hanois` proposal was systematically distorted by his initial plea for Thiu`s assimilation to what Kissinger advocated as a demand for his downfall.  When peace talks resumed on 8 January 1973 in Paris, an agreement was quickly reached. The peace agreement was formally signed on 27 January 1973. It was similar to what had already been agreed in October of the previous year. Later, Kissinger justified the agreement by saying, “We thought that those who opposed the war in Vietnam would be satisfied with our withdrawal, and those who favor an honourable end would be satisfied if the United States did not destroy its ally.” The provisions of the agreement were immediately and often violated by North and South Vietnamese forces without an official response from the United States.