(HELP please!!!) Why was the landmark case Briggs v. Elliott important?

A) The case was part of a decision that signaled the beginning of the end of segregation in public schools.

B) Lawmakers in South Carolina took the case as approval by the courts for continued segregation.

C) The Republican Party began to lose credence in South Carolina, starting with the decision in the case.

D) The court's decision in this case represented the success of those who opposed the integration of schools.​