Why did the north control southern politics after the war? what were the northerners called who moved to the south?
need asap

What was the major impact of plessy v. ferguson upon american society? a) this case made no impact upon american society. b) it made segregation illegal and said that "separate was not equal." c) it upheld segregation laws and made segregation the law of the land. d) it made the thirteenth and fourteenth amendments invalid in the constitution.