Why do citizen ships have to register to vote

Which landmark supreme court case ruled that segregation by race in public education was unconstitutional? a.miranda v. arizona b.plessy v. ferguson c.brown v. board of education of topeka d.alexander v. holmes county board of education

What does the quote describe? “the closeness of the place, and the heat of the climate, added to the number in the ship, which was so crowded that each had scarcely room to turn himself, almost suffocated us….the shrieks of the women, and the groans of the dying, rendered the whole a scene of horror almost inconceivable.”

Who was the fifth president of the u.s.