What was the name given to african americans who moved to the great plains

Exoduster

Explanation:

Exodusters was a name given to African Americans who migrated from states along the Mississippi River to Kansas in the late nineteenth century, as part of the Exoduster Movement or Exodus of 1879. It was the first general migration of black people following the Civil War.

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).

answer:

it caused mass african migration, african populations to grow, african empires to topple, and racism against slaves to emerge.