Islam institutionalized slavery. Muhammad began to take slaves after he moved to Medina, and had power. Slaves were usually taken in raids on nearby Arab tribes, or war, either through offensive or defensive actions. Islam allows the taking of slaves as “booty”, or reward for fighting.
Arab Slave Trade:
Christian Slaves, Muslim Masters:
White Gold: Islam’s One Million White Slaves:
Muslim Slave System in Medieval India:
Islamic Jihad: A Legacy of Forced Conversion, Imperialism, and Slavery: