Plessy v. Ferguson case was one of the most profound case in history. The Plessy v. Ferguson doctrine of "separate but equal" had integrated American society.
The chronological order are:
Plessy v. Ferguson was essential case because it rightly established the constitutionality of racial segregation.
There was constitutional setbacks to racial segregation for more than half a century until it was finally overturned by the U.S. Supreme Court.
Conclusively, The Supreme Court ruled that segregated, "equal but separate" public accommodations for blacks and whites and it made segregation legal.
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