Laws that limited the overall lives of African American's. Poll Tax
Defacto segregation
Jim Crow Laws
Literacy Test
Dejure segregation
Grandfather Clause

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).

c, because the american revolution was from 1765 to 1783.