<Tr> <Td> <P> ≈ 860,000 (1967) </P> <Ul> <Li> North Vietnam: 690,000 (January 1967, included NVA and Việt Cộng) </Li> <Li> Việt Cộng: 200,000 (estimated, 1968) </Li> <Li> GRUNK: 70,000 (1972) </Li> <Li> Pathet Lao: 48,000 (1960) </Li> </Ul> Non-ground forces (show) <Ul> <Li> China: 170,000 (1967) </Li> <Li> North Korea: 200 </Li> </Ul> </Td> <Td> <P> ≈ 1,420,000 (1968) </P> <Ul> <Li> South Vietnam: 850,000 (1968) 1,500,000 (1974--75) </Li> <Li> United States: 543,000 (April 1969) </Li> <Li> Laos 72,000 Royal Army and Hmong </Li> <Li> Cambodia 200,000 (1973) </Li> </Ul> Other forces (show) <Ul> <Li> Thailand: 32,000 in Vietnam and Laos </Li> <Li> South Korea: 50,003 </Li> <Li> Australia: 7,672 </Li> <Li> Philippines: 2,061 </Li> <Li> New Zealand: 552 </Li> </Ul> </Td> </Tr> <P> ≈ 860,000 (1967) </P> <Ul> <Li> North Vietnam: 690,000 (January 1967, included NVA and Việt Cộng) </Li> <Li> Việt Cộng: 200,000 (estimated, 1968) </Li> <Li> GRUNK: 70,000 (1972) </Li> <Li> Pathet Lao: 48,000 (1960) </Li> </Ul> <Li> North Vietnam: 690,000 (January 1967, included NVA and Việt Cộng) </Li>

How did the united states support south vietnam