Korea divided into two. Becoming South Korea and North Korea.
North Korea forces attacked South Korea known as the Korean War.
The North Korea push South Korea making the UN troops south to presenter of Pusan.
North Korea was kicked out of the South Korea. North Korea take Pyongyang and continue to Yalu River.
UN troops approached the Yalu River, trying to become a single country.
The two countries signed an armistice ending the war.