Conquest led the surge but conquest was kept separate from conversion. There was no “conversion by the sword.” Muslims insisted on holding political power but not on their subjects being Muslims. Instead, wherever Muslim armies flowed, cultural transmission followed. News of the Muslim social project proliferated quickly because the expansion covered pretty much exactly the world historical area sewn together by those ancient trade routes running between major seas and waterways. In its first fifty years, Islam expanded to the western edge of the Indian Ocean, to the eastern lip of the
...more