he Supreme Court decision in the case of Brown v. Board of Education was important because it exhibited __________.

A. the use of the affirmative action policy
B. the scope of flexibility of the law
C. the state's supremacy over federal rulings
D. the importance of following precedence

answer: B

2 answers

http://www.uscourts.gov/educational-resources/educational-activities/history-brown-v-board-education-re-enactment

Well, A wasn't even a term at that time.
B vs BofE is an opposite of C.
B vs BofE is also an opposite of D.

So, yes, it must be B.
thanks...