What kinds of laws does the court say that state legislatures have the rightful power to pass?

The Supreme Court decided in nfavor and supported racial segregation with the "separate but equal" doctrine, which allowed awful laws such as Jim Crow and other racial segregation laws to be empowered around the late 1800s in America, and of course was detrimental for the disenfranchised communities (slaves descendants) after the so called reconstructon era.

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).