Kuru postulates that domestic political relations between rulers and the intellectual, economic, and religious classes, and the rearrangement thereof, explains the ascendance of Muslim-ruled areas in the eighth to twelfth centuries, their subsequent decline and the simultaneous dominance of Western Europe beginning in the early modern period. According to Kuru, “In early Islamic history, Islamic scholars’ independence from the state and the economic influence of merchants” created a space for philosophical and intellectual freedom outside of state control.
Later political authorities, most notably the Seljuks, would bring the Islamic religious establishment, the ulema, under state control. The Seljuks would also introduce land and tax reforms that curtailed the economic and political influence of the merchant class. Western Europe, in contrast, underwent the opposite political and economic process in the early modern period: political and religious authorities fought and gradually disentangled from one another, universities fostered intellectual growth, and a merchant class emerged and wielded increasing political and economic power.