Purpose: Although the Balkans have historically diverse ethnic groups, there have been ethnic and religious conflicts since modern times due to the failure to form a nation-state and the emergence of interests and socialist systems of neighboring powers. After Tito s death, Kosovo s armed conflict between Serbia and Albania intensi-fied, leading to NATO s involvement, and serious crimes during the war. The purpose of this study is to study the relationship between forces and war crimes that emerged during the war. Method: To examine ethnic problems in the Balkans and the formation of ethnic states, especially ethnic con-flicts and war patterns in Kosovo, and to analyze the armed struggle between the Serbian-led Yugoslav govern-ment and Albania s KLA. We also look at crimes committed by both groups and why NATO was involved. Results: Western support for the KLA s armed struggle to form an independent state in Kosovo resulted in Albanian ethnic groups taking over Kosovo and developing from autonomous to sovereign states. The war led to the kidnapping, torture, massacre and sexual assault of innocent citizens, but the leaders of the KLA were trans-formed from terrorists to official authorities in charge of the regime. Conclusion: Ethnic problems have internal problems that cannot be solved by external interference. In addi-tion, if external forces intervene under the pretext of resolving the problem of ethnic conflict, it can be seen that ultimately dominating hegemony within the region is essential. The international community s interest in human rights violations by the state during the war should be raised.
2. Theoretical Background
3. Background of Kosovo War and NATO Military Intervention
4. Result of Kosovo War