The world affairs and international security in the post-Cold War period by analyzing the Korean War and the Korean Peninsula.

In this research, I will attempt to show clearly the world affairs, international security in the post-Cold War period by analyzing the Korean War. It is said that the Korean War had most influence on all over the world. It's no exaggeration to say that the Korean War determined affairs between nations such as the strain of diplomatic relations and power relationships in the modern world. There are various affairs in the modern world which caused by the Korean War such as isolation of North Korea, getting more authority to speak out of China, strengthening relationships in military matters between U.S., South Korea and Japan. The Korean War built the foundation of international system and structure and it has still reflected strongly in current international affairs. Especially, one of the worst influences which the Korean War brought to the world is The North Korean nuclear issues. The issues have given strained relations to not only Asian nations but also all over the world. The Korean War determined the prolongation of South Korea and strengthening their dictatorship and militarism. And it helped to gain power of China globally as being increasingly more conscious that a collapse of North Korea bring