What rules would you set for homework if you were in charge? Would you set limits on how much was allowed, and would that vary by grade level? Would you make rules for what kind of assignments teachers could give? What other pros and cons can you list for homework?

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).

the anwser is a) to prevent military conflict