China, North Korea, Laos, and Vietnam.
The Vietnam War was the only time that the communists defeated an American supported free nation (South Vietnam).
Russia (Bolshevik Revolution-Communists won); China (Communist Revolution-Communists won); South Korea (Communists stopped); South Vietnam (Communists won).
Yes, South Korea is an ally of the Republic of Vietnam. During the Vietnam War, South Korea helped the United States and the Republic of Vietnam to fight against the communists. The Republic of Vietnam was helped by South Korea, by the United States, by Thailand, by Taiwan, by New Zealand, by Australia, by Singapore and by Malaysia!
South Vietnam, supported by the United States, Korea, and Australia's military.
In 1948 in Korea, the Communists controlled the northern half of the country and the US-Allied Capitalist Dictators controlled the southern half of the country. After the Korean War in 1953, this situation was preserved. In the 1980s, the Capitalist Dictators in the south gave way to a democracy.In 1954 in Vietnam, the Communists controlled the northern half of the country and the US-Allied Capitalist Dictators controlled the southern half of the country. After the Vietnam War in 1975, the Communists were able to unite the entire country and remain in power to this day.
Peninsula! It's a piece of land that juts out into the water, which is why the Communists could not flank it as they did later in Vietnam, because North and South Vietnam are not on a peninsula, as North and South Korea are.
North Vietnam (supplied by USSR/Chinese Communists) verses South Vietnam, US, Australia, New Zealand, Thailand, Philippines, and South Korea (ROK).
North Vietnam was controlled by communists.
North Korea was supported by Soviet Union and South Korea was supported by the U.S.
US, Aus, N.Z, ROK, RVN, Thailand, P.I. vs N. Vietnam & VC supported (equipped) by Red China/USSR.US, Australia, New Zealand, Philippines, Thailand, S. Korea, S. VN.
1. Cause-Communist aggression 2. Effect-Free world victory for Korea/Communist victory for Communists in Vietnam