The United Nations defended South Korea from North Korean aggression. The UN forces consisted primarily of the US, with contingencies from the UK, Australia, and Canada, Greece, and others. Later in the war, Chinese forces crossed the frozen Yangtze River to throw their weight behind their communist North Korean allies.
Korean War, aka Korean Conflict. The US was one of many participants.
Korean War 1950-53
many countries did not help with the Korean War.
The next big war after the Korean War was the Vietnam War.
See website: Korean War (there is a list)
See the website on the: Korean War. It will show a list of countries involved with the war.
THe countries were worried but did nothing about it.
The cold war; communism.
The Soviet Union, and the US
on
The Vietnam War ended in a close decisive communist victory while the Korean War did not
Korean War