It was the first time a global organization used military force to repel aggression.
The Korean War never ended. It just grew old. Korea- Forgotten Conflict
Today, the Korean Peninsula remains one of the most heavily militarized regions in the world, with the DMZ separating North and South Korea. The two Koreas have engaged in periodic talks and negotiations, but tensions remain high, and the region remains a potential flashpoint for conflict. It was the first time a global organization