Vietnam, North and South Korea. Northern Africa
South Korea,Thailand,Australia,New Zealand,maybe more
Several. Australia, New Zealand, The Philippines, Thailand, and the Republic of Korea (South Korea) sent troops to Vietnam.
As in Vietnam, Australia was asked to by the US.
North Korea. Also, the American troops spent a lot of time fighting the Chinese since China sent in troops to support North Korea, just as the U.S. sent in troops to support South Korea.
Yes, Republic of South Korean Servicemen fighting in Vietnam were referred to as ROK's...the ROK Army (Republic of South Korea).
The US fought in Korea to stop the Soviet Union from spreading communism. This was between 1950 and 1953. It was a predecessor to the Vietnam war which occurred between 1955 and 1975. Both times the US intervened in order to stop the commmunist states, North Korea and North Vietnam from taking control of the rest of the capitalist democratic states of South Korea and South Vietnam.
North Korea & North Vietnam.
Yes. In fact both countries had combat troops helping South Vietnam during the Vietnam war.
Red China/USSR supplied North Vietnam with material & South Vietnamese guerrillas called the Viet Cong supplied guerrillas in the fighting in South Vietnam. The US, Australia, New Zealand, S. Korea, S. Vietnam, Philippines, and Thailand supplied troops for the allied side during the war.
Australia, New Zealand, Thailand, South Korea and the Philippenes.
South Korea , Australia and New Zealand .