What happened shortly after the united states and north vietnam signed a peace accord providing for the withdrawal of american troops from vietnam?

The Fall of Saigon and the entire south in 1975 would lead to communist victory and unification in the new Socialist Republic of Vietnam.

Explanation:

The Democratic Republic of Vietnam, also known as North Vietnam, was a socialist state founded by Hồ Chí Minh in Hanoi on September 2, 1945, with the Japanese withdrawal from French Indochina.

After the agreements reached at the Geneva Conference (1954), the French withdrew from Indochina and Vietnam was divided into two states: one to the north and one to the south, the Republic of Vietnam. The communist attempt to unify both states under the hegemony of the socialist state would lead to the intervention of the United States in favor of the south, which would lead to the Vietnam War. The Fall of Saigon and the entire south in 1975 would lead to communist victory and unification in the new Socialist Republic of Vietnam.

Communist China and the Soviet Union influenced the new state from the beginning, while both states sought to turn North Vietnam into their satellite state.