Korea was divided along the 38th parallel after WWII, with a communist government in the North and a US-backed government in the South. North Korea invaded the South in 1950, leading to US and UN intervention.
Consequences of the Korean War
The war ended in a stalemate with the Korean ArmisticeAgreement in 1953. North Korea became a communist dictatorship, while South Korea became a capitalist democracy. The war marked the division of Asia into communist and capitalist regions