In October of 1950, UN forces pushed the North Koreans as far north as Yalu River.
Why did the UN fight against North Korea?
The United States fought against the North Koreans due to the war that the North fought with the South Koreans.
The United Nations helped the South Koreans to repel the attacks that the North had against them at the time.
Read more on the United Nations here: https://brainly.com/question/97111
