How many presidents of the united states were born in the south

During the history of the United States, the South has supplied many of the 43 presidents. Virginia specifically was the birthplace of seven of the nation’s first twelve presidents (including four of the first five).

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).