What kind of images showed the widespread popularity of depicting women as abstractions during the late 18th and early 19th centuries? (US History)

the conditions that made the byzantine empire vulnerable to attacks by the muslin turks were the sack of constantinople by western crusaders, the conquests of the sultanate of rum, presence of rival kingdoms and finally the set up of fiefdoms at the empire which were owned by the ghazis (turkish warriors).

answer; i believe the correct answer is benjamin harrison;