After World War II, Korea was divided into two separate states: North Korea and South Korea. The division was based on the 38th parallel, with the Soviet Union occupying the north and the United States occupying the south. This division led to tensions between the two Koreas, which eventually erupted into war in 1950.

The Korean War was primarily fought between North Korea and South Korea, but the United States and China also played major roles in the conflict. The United States supported South Korea, while China supported North Korea. The Soviet Union also provided some support to North Korea, but its involvement was limited.

The Korean War ended in a stalemate in 1953. The two Koreas agreed to a ceasefire, but they never signed a peace treaty. The border between the two Koreas is still heavily militarized, and tensions between the two countries remain high.

The Korean War is estimated to have killed between 2 and 3 million people. The majority of the casualties were civilians.

The Korean War was the first major conflict of the Cold War. It set the stage for the decades-long rivalry between the United States and the Soviet Union.

The Korean War resulted in the division of Korea into two separate states: North Korea and South Korea. This division has lasted for over 70 years and has had a profound impact on the lives of the Korean people.

The Korean War taught us many valuable lessons about the importance of diplomacy, the dangers of proxy wars, the need for a strong military, and the importance of international cooperation in maintaining peace.

The Korean Peninsula faces a number of challenges today, including the continued division of Korea into two separate states, the rise of North Korea as a nuclear power, and the threat of a renewed war between North and South Korea.

There are a number of possible solutions to the challenges facing the Korean Peninsula, including a peace treaty between North and South Korea, the denuclearization of North Korea, and the reunification of Korea.

The United States plays a major role in the Korean Peninsula today. It is a major ally of South Korea, has a military presence in South Korea, and is a mediator between North and South Korea.

China plays a major role in the Korean Peninsula today. It is a major ally of North Korea, has a military presence in North Korea, and is a mediator between North and South Korea.

Russia does not play a major role in the Korean Peninsula today. It is not a major ally of either North or South Korea, does not have a military presence in either country, and is not a mediator between the two Koreas.

The United Nations plays a major role in the Korean Peninsula today. It has a peacekeeping force in Korea, is a mediator between North and South Korea, and provides humanitarian aid to North Korea.

The future of the Korean Peninsula is uncertain. It is possible that the two Koreas will eventually reunify, that North Korea will collapse and be absorbed by South Korea, or that the two Koreas will continue to exist as separate states. It is also possible that a new war could break out between the two Koreas.