Explain the reasoning the southern states gave for seceding from the U. S. after the election of Abraham Lincoln in 1860.

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).

i'm asking the same thing i asked this other cat all of