Answer: South Vietnam was supported by the USA. The Capital: Saigon.
Explanation: South Vietnam was a part of Western colonial realm, the Northern made part of Communist empire ruled from Moscow. After the WW II there was a new paradigm. What made part of it was 1) decolonization process (human rights put in practice in the so-called Third Word), 2) Cold War. Paradox of that time that those nations who decided to get free from western colonial empires (Angola, Congo, Mosambique, Vietnam) were hurrying to the embrace of Soviet Communist empire (another sort of colonialism). Northern Vietnam became part such an "ally" of USSR and the West had to apply containment doctrine in Southern Vietnam.
Answer:
First is political factor and the second is social factor
Explanation:
I think England got trade/goods from the colonists.