The role of the federal courts changed after the case of Brown v. Board of Education in that
a. the power to enforce federal laws was removed from the federal courts by Congress and given over to the states
b. federal courts were prohibited from accepting any more cases that involved racial questions
c. the Supreme Court ordered lower courts to take an activist role in society and overturn segregation laws that came before them
d. lower federal courts would have to approve all laws passed by Congress pertaining to integration before they could be administered by the executive branch