Which Supreme Court Decision Derailed Much of the Current Campaign

Multiple Choice

Which Supreme Court decision derailed much of the current campaign finance system for presidential elections as discussed in the Pro and Con section?

A) Buckley v. Valeo (1976)
B) McConnell v. F.E.C. (2003)
C) F.E.C. v. Wisconsin Right to Life, Inc. (2007)
D) None of the above