Which u. s. supreme court case in 2009 created the opportunity for organizations that opposed powerful incumbents to not disclose their donors? bush v. federal elections commission?

Citizens United v. Federal Elections Commission. For the situation, the moderate non-benefit association Citizens United needed to air a film condemning of Hillary Clinton and to publicize the film amid transmissions without further ado before the 2008 Democratic essential decision in which Clinton was running for U.S. President. This would damage a government statute forbidding certain electioneering correspondences almost a decision. The court found the arrangements of the law that disallowed companies and unions from making such electioneering correspondences to struggle with the U.S. Constitution.