How many states didn't allow women to vote during women’s suffrage plz help

Ineed to try to get this right so i can get a good grade so can someone me

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

List of social classes of the shang dynasty in order ?