The crisis that arose as a result of the decline of the Abbasid caliphate in the middle of the seventh century AH for Sunni political thought continued for centuries. This crisis in the tenth century for a prominent thinker named Roozbehan Khonji. a prominent Sunni theorist. led to the attempt to revive the caliphate by appealing to the kings who held political power in his time. https://www.spidertattooz.com/Peri-Living-Oljelampe-Ovalis-Brass-Large/