What Were The Causes Of The North Korean War

The war was caused because the leader of North Korea was a communist and wanted all of the Koreans to be communist. North Korea started the war by invading south Korea with a surprise attack and pushing the border to almost the end of south Korea. South Korea was able to pull through though and came together with their military forces and pushed the north Korean military almost to the end of north Korea. China began to get paranoid the north Korea would be push into them and south Korea had been warned that china may join the war and that would be bad because of their forces. But the leader of south Korea kept pushing until china proved them and joined the war. With china joining they helped push the border back down but it did go back past