In many areas of the united states, schools remain racially segregated or have become resegregated after earlier attempts at integration failed. in 1954, the u. s. supreme court ruled in that "separate but equal" segregated schools are unconstitutional because they are inherently unequal.

The correct answer is Brown v Board of Education

In its decision, the Supreme Court overruled the Plessy v Ferguson by ruling that the separation of children in public schools on the basis of race was unconstitutional. This ended racial segregation in public schools

in an absolute  monarchy, the  monarchrules as an autocrat, with absolutepower  over the state and government — for example, the right to rule by decree, promulgate laws, and impose punishments. the  monarch isnominally sovereign but the electorate, through their legislature, exercise political sovereignty.

i think it is the third one.