They were afraid that the advancing UN forces would not stop at the border but follow the fleeing North Korean forces into China, thus invading China.
The Cold War demanded that we intervene.
Red China.
The Korean War was a proxy war between the Chinese and Americans.
us policy during the Korean war was to make sure N Korea understood the us would intervene if they dared to cross the 49th parallel and attack S. Korea
Well, Kim Il-sung started the war. Truman just decided to intervene after the war was already going.
On June 27, President Truman announced to the nation and the world that America would intervene in the Korean conflict in order to prevent the conquest of an independent nation by communism.
It was on the Korean Peninsula. That's why it is called the Korean War.
The US decided that Japan was too big of a prize to lose to communist China so they decided to protect the Korean Peninsula. Therefore they would control the Japan Sea and the South Pacific area.
The Korean War was followed by the Vietnam War.
The Korean War was fought to a stalemate.
The war of the Korean lol
See website: Korean War