The Supreme Court's Controversial Decision in Citizens United V

The Supreme Court's controversial decision in Citizens United v. Federal Election Commission (2010)

A) overturned a D.C. ordinance that barred the ownership and possession of handguns by anyone other than the police.
B) overturned federal mandatory sentencing guidelines for terrorists.
C) permitted states to use race as a factor in hiring decisions.
D) required states to enforce federal anti-drug laws even if voters had approved the medicinal use of marijuana.
E) invalidated the Bipartisan Campaign Reform Act citing its violation of the First Amendment.