The Vietnam War ended with the French pulling out and later the U.S. pulling out after the Vietcong (VC) overran Saigon (we lost Vietnam because of MANY reasons but we never sustained a victory) The Korean War ended with a "Cease Fire" from both sides (nobody really won it was more less a draw) Conclusion = Vietnam, We lost Korea, Nobody won nor lost.
They helped develop china's trading system and their ability of mass production of goods such as silk, jade, shoe making....etc <span />
D- water
Merry Christmas! Please mark brainliest