Along with job specialization came: divisions of farming practices the development of writing and language the rise of social classes a new way to blend cultures

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 correct answer is ''the programs costs have risen dramatically in the recent past'' hope this !