<Tr> <Th> Territorial changes </Th> <Td> Reunification of North and South Vietnam into the Socialist Republic of Vietnam . </Td> </Tr> <Tr> <Th_colspan="2"> Belligerents </Th> </Tr> <Tr> <Td> <P> South Vietnam United States South Korea Thailand Australia Philippines New Zealand Khmer Republic Laos </P> <P> Military support: Taiwan </P> Other support (show) <Ul> <Li> Malaysia </Li> <Li> Spain </Li> <Li> Canada </Li> <Li> Iran </Li> <Li> West Germany </Li> <Li> Brazil </Li> <Li> Japan </Li> </Ul> </Td> <Td> <P> North Vietnam Viet Cong Khmer Rouge Pathet Lao China North Korea Military support: Soviet Union Cuba </P> Other support (show) <Ul> <Li> Czechoslovakia </Li> <Li> Bulgaria </Li> <Li> East Germany </Li> <Li> Romania </Li> <Li> Poland </Li> <Li> Hungary </Li> <Li> Sweden </Li> </Ul> </Td> </Tr> <P> South Vietnam United States South Korea Thailand Australia Philippines New Zealand Khmer Republic Laos </P>

Who helped the us in the vietnam war
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