Plessy v. ferguson (1896) and brown v. board of education of topeka, kansas (1954) illustrate how the same constitutional issue of was interpreted differently over time.
a. slavery
b. state sovereignty
c. separate but equal
d. separation of church and state

Plessy v. Ferguson (1896) and Brown v. Board of Education of Topeka, Kansas (1954) illustrate how the same Constitutional issue of "separate but equal" was
interpreted differently over time, since Plessy v Ferguson deemed that it was constitutional, and Brown v. Board of Ed deemed it was not.