What Supreme Court case was

reversed by the Brown decision?

A McCulloch v. Maryland

B Marbury v. Madison

C Plessy V. Ferguson

D Gibbons v. Ogden

Answer: Plessy v. Ferguson

C Plessy V. Ferguson.

Explanation:

While Plessy v. Ferguson stated that separated but equal facilities for different racial groups are not unconstitutional (thus making actual segregation of public spaces constitutional), Brown v. Board of Education said that segregated schools for children violated the US Constitution, thus reverting Plessy v. Ferguson.