How did brown v. board of education overturn plessy v. ferguson?

Explanation: Plessy v. Ferguson stands for the principle that segregation is okay if the facilities are "separate but equal." Brown stands for the principle that separate facilities are never equal, overturning Plessy.

b: the establishment clause  

b: socialism  

powers  are  denied  to the  national governmentin three distinct ways: some  powers, such as the  power  to levy duties on exports or prohibit the freedom of religion, speech, press, or assembly, are expressly  denied  to the  national government  in the  constitution.