In the Plessy v. Ferguson case, the Supreme Court ruled that segregation was illegal and Jim Crow laws were unconstitutional.
segregation was legal as long as facilities were separate but equal.
segregation had been outlawed by the Fourteenth Amendment.
segregation had been established by the Thirteenth Amendment.

Which statement best describes a significant cause of world war ii? o a. the economic boom that followed world war i allowed countries to build up huge militaries. o b. the treaty of versailles, which ended world war i, left lasting resentments in many countries. o c. the rise of imperial states in asia caused european powers to unite for their common defense. o d. the league of nations encouraged european states to form secret military alliances.