“Holy war”. December 2016. Edinburgh. Scotland. A holy war is a war primarily caused or justified by differences in religion. The account of the conquest of Canaan by the Israelites in the Book of Joshua, the Muslim conquests of the 7th and 8th centuries, and the Christian Crusades and Wars of Religion are sometimes classified as examples. A religious aspect has been part of warfare in some cultures as early as the battles of the Mesopotamian city-states.

Holy war

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