Why did the bosnian crisis increase tension?

The Bosnian crisis heightened tensions primarily due to ethnic divisions and the struggle for national identity among Bosniaks, Serbs, and Croats. The disintegration of Yugoslavia led to violent conflicts, including ethnic cleansing and war crimes, as groups vied for control over territory and power. International involvement, including NATO's intervention and differing support for various factions, further complicated the situation, leading to a protracted conflict that drew in regional and global powers. The crisis underscored deep-rooted historical grievances, exacerbating mistrust and animosity among the ethnic groups involved.