The correct answer is D)South Vietnam fell to North Vietnam
In the Ford Administration, the US had already withdrawn most of its combats troops from Vietnam. Ford asked in Congress for aid for South Vietnam, but the Congress only gave 700 million dollars. Before with American troops in Vietnam power was balanced and Americans always maintained North away.
Without American aid, North Vietnam could invade South without no American intervention. The offensive began on March 20th, 1975, South Vietnam offered little resistance, they did not have air support. On April 30th the capital of South Vietnam Saigon was captured by the People’s Army of Vietnam and marked the end of the Vietnam war with the reunification of Vietnam.