In the 2010 Supreme Court Case Citizens United V

In the 2010 Supreme Court case Citizens United v. Federal Election Commission, the Court:

A) Allowed the plaintiff to bypass the Bipartisan Campaign Finance Act altogether and directly give campaign contributions to all desirable candidates
B) Changed its previous decision on election advertising
C) Allowed the defendants to recover campaign spending costs
D) Struck down a part of the Bipartisan Campaign Finance Act, thus allowing corporations and unions to spend money in support of candidates