The answer to this question is that the ww2 hero who led USA forces in south Korea recommended invading China.
His main aim was to halt the stalemate between North Korean and UN Forces in 1951.Truman rejected the plan because china had a military pact with the Soviet union, and therefore in case he attacked china, it would definitely spark off another ww3. while Truman was busy pushing for a peaceful settlement, the general went ahead to congress and the press to elaborate his plans, which made Truman to fire him.
