Study the quote, and then answer the question that follows:

"If the civil and political rights of both races be equal, one cannot be inferior to the other civilly or politically. If one race be inferior to the other socially, the Constitution of the United States cannot put
them upon the same plane"

The quote is from and reflects the main idea of the Supreme Court case

D.C. v. Heller
Plessy v. Ferguson
Marbury v. Madison
Brown v. Board of Education

The quote reflects the main idea of the Supreme Court case Plessy v. Ferguson.