books.google.ge - Stretching from Morocco to China, the Umayyad caliphate based its expansion and success on the doctrine of jihad--armed struggle to claim the whole earth for God's rule, a struggle that had brought much material success for a century but suddenly ground to a halt followed by the collapse of the ruling...https://books.google.ge/books/about/The_End_of_the_Jihad_State.html?id=Jz0Yy053WS4C&utm_source=gb-gplus-shareThe End of the Jihad State
