The correct answer that would best complete the given statement above would be RECONQUISTA. The fall of Granada, in 1492, signified the end of the Reconquista. The Reconquista is the term given about the battles between the Christian Kingdoms and Muslim Moors with the goal to take over the Iberian Peninsula. Hope this answer helps.
I will pick Bush v. Gore for my choice. If I had of been a Supreme Court Justice at this time, I would of ruled for Al Gore over George Bush. If the Supreme Court had ruled in his favor and let the recount resume, there would of possibly been a different president.
The answer is B - it curtailed free enterprise.