This paper aims to explain that the spread of the ideology of Islamism in the Middle East in recent decades has led to conflict, both intra and inter-religion that continues until today.From these Islamist groups, Hamas Movement and ISIS provided significant effects of the conflict are.This study is qualitative research.Conflict Theory of John Span

Given the growing approval of peacekeeping operations by the UN Security Council and the possibility of war crimes and crimes against humanity by peacekeepers in the area under operation, it is imperative that these forces be criminally accountable for their actions during their mission.In fact, the importance of accountability of these forces for