Plessy VFerguson,which Involved Segregated Public Accommodations,is Noteworthy Because It

Plessy v.Ferguson,which involved segregated public accommodations,is noteworthy because it

A) upheld the principles of the Fourteenth Amendment.
B) applied the national supremacy clause to such cases.
C) endorsed the separate-but-equal doctrine.
D) stated that Congress had no power to pass legislation requiring open public accommodations.
E) removed the barrier that denied blacks the right to enter public accommodations.