At the end of the Vietnam War, Congress refused to support South Vietnam any longer.
According to the Paris Peace Accords, the U.S. and their allied troops withdrew from South Vietnam by the end of April, 1973, leaving South Vietnam, and allowing them to decide for themselves the future status of their country. Within two years (April, 1975), North Vietnam forces occupied the south - including the Presidential Palace in SaiGon, where South Vietnam's Premier surrendered to the north.
At the end of the war.
At the end of the Vietnam War, Congress refused to support South Vietnam any longer.
Communist control of Cambodia, Laos, and Vietnam.
They withdrew from South Vietnam in defeat.
This is the main one- South Vietnam and its supporters were not sufficient enough to defeat Communist North Vietnam, who had the help of China and other Communist countries. So the South was defeated, the North took over the South and combined South and North into one country, Vietnam. Due to the whole country becoming Communist many South Viets fled the country as refugees.
in bad resuls
The Vietnam War ended in 1975, when North and South Vietnam become one country, Vietnam.
North Vietnam took over the country making it communist
The United States didn't fight against South Vietnam in fact they were allies fighting against North Vietnam.
North Vietnam conquered South Vietnam; the Republic of South Vietnam disappeared. and the united country of just one Vietnam was created as a communist nation.