Vote cong
Viet Cong-
Vietcongas ;)
South Vietnam was overrun by communist forces.
Communist North Vietnam re-united with the NON-Communist SOUTH Vietnam, creating ONE Communist country; Vietnam.
Communist North Vietnam was trying to take over the non-communist country of South Vietnam. The US fought North Vietnam to stop them.
Viet Congs: North communist Vietnamese supporters of the communist Front in North Vietnam during the Vietnam War (known in Vietnam as the American War). The Viet Congs fought against both the government/military of South Vietnam and the armed forces of the United States between 1959 and 1975. They were initially a loose grouping of guerrilla fighters. Quick Note: South Vietnam/South Vietnamese didn't want the communist takeover from communist North Vietnam, they wanted to be a democratic country. U.S. entered the war to stop the spread of communism and support the democratic South Vietnam.
To prevent the communist take over of the NON-communist Republic of South Vietnam, by Communist NORTH Vietnam.
To stop communist North Vietnam from taking over the non-communist country of South Vietnam.
RVN=Republic of South Vietnam, a democracy.
Communist infiltration into South Vietnam.
The north was always communist, the south at one time was called the REPUBLIC of South Vietnam; which ceased to exist in '75.
Preventing Communist North Vietnam from taking over the Free Non communist country of South Vietnam.