How can the dust bowl be blamed in part on human interaction with the environment? a.) over-planting of wheat wore out the soil. b.) many farmers allowed grasslands to take over their fields. c.) buffalo herds caused heavy erosion of the soil. d.) farmers used too much water on their crops and caused flooding.

your answer is A.) Over-Planting of wheat wore out the soil.

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).

small european communities with shared traditions consolidated into large new states (apex)