How was the Fourteenth Amendment used to end the doctrine of “separate but equal”?

Question

A.
The Court declared that an equal number of black and white schools had to be created.

B.
The Court extended “the equal protection of the laws” to the use of public facilities.

C.
It was left to the states to decide how best to address the overturning of “separate but equal.”

D.
Brown v. Board only applied to the schools in Topeka, Kansas, nowhere else.

I think its B (if not C)

Answer 1

Yes, B.

Answer 2

Ok thank you