Cold war.
i dont no
because we feared communism
How many countries took part in the world war two?
to make peace betweeen the countries involed in the the war of world war 2
North Vietnam and the United States. South Vietnam wasn't the main combatant, because they did NOT conduct the Air War over North Vietnam. The Vietnam War had three categories: US Navy-Riverine War; US Air Force-Air War; US Army/US Marines-Land War.
After the war, there was a reunification of Vietnam. So the answer is "One country".
The Vietnam War was part of the cold war. The cold war was between governments (Nations/Countries).
North Vietnam/VC vs allies
North Vietnam won them.
The countries that were actually "physically" involved, and were bombed or had US aircraft crash into them, whether they were "officially" in the war or not, were: Lao's, Cambodia, North Vietnam and South Vietnam.
The Soviet Union (USSR) supplied North Vietnam, and the US fought for South Vietnam.