Plessy v. ferguson was one of the most important legal cases in american history. what impact did the supreme court’s decision have on race relations in the u. s.? a- freed slaves were resettled in the north at government expense b- jim crow laws in the south were upheld as constitutional c- “whites only” restaurants and hotels in the south were declared illegal d- it struck down “separate but equal” because facilities for blacks were not equal with those for whites