South Vietnam was considered an ally of the US.
South (RVN-Republic of South Vietnam)
== == Saigon
The capitol for South Vietnam was Saigon, and the capital of North Vietnam was Hanoi.
Simple, the US.
Diem & Thieu
They wanted the south.
Diem and Thieu.
Yes and No. South Vietnam only existed from 1955-1975, but during that time, Saigon was the capital of South Vietnam.
US, New Zealand, Australia, South Korea, South Vietnam, Thailand, Philippines.
in order to prevent South Vietnam from becoming communist like North Vietnam.