Sublime

Islamic rule under the early khalifas (caliphs) depended on tribal garrisons watching over the unreliable townsmen. It was not a lasting solution. Under urban conditions, tribal unity weakened. There was no aristocracy to apply a feudal remedy, and the problem of government was control of the towns. The answer was found in recruiting military slave

Shared faith, and common acknowledgement of the Sharia or Islamic law, helped make Ottoman rule acceptable in the Fertile Crescent, Egypt and North Africa, while the sultan’s role as Islam’s champion against the Christian infidel gave him a strong claim on the loyalty of the faithful.