Question

Why did the Korean War happen

Answer 1

North Korea was communist and South Korea was controlled by America, so they were democratic. North Korea wanted to spread their communist ideas to the south.

Answer 2

The North wanted to spread their the communism to the south, and The south didn't want to hear about it, and have a democratic government. So to prevent that, the south started getting prepared for war, against communism and won, so that's how it started.