The repeal of national prohibition in 1933
showed that
(1) alcohol consumption was not socially
acceptable
(2) the government should lower the drinking
age
(3) crime rates had fallen to record low levels
(4) unpopular laws are difficult to enforce

the answer is states.

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).