The map shows human development levels worldwide Which region is least developed? eastern Europe
northern Asia
central Africa
southern Africa

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).

b.

one company controls all the means of production of a product.

~coco

the answer is c. hope is