How did the ruling in plessy versus ferguson affect the legality of segregation

It set “separate but equal” as a legal precedent.

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. more people could read and interpret the bible for themselves