What two causes contributed to the Dust Bowl? A Too little water and high wheat prices
B. Intimidated buyers and overworked farmers
C Overworked land and drought
D Low wheat prices and farmers holidays​

A and C if I'm not incorrect

john adams was the 2nd president of the united states.

explanation:

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).