Impact of Citizens United on Campaign Finance

In the context of campaign finance within the United States, different organizations and groups navigate complex regulations to fund political campaigns. The Supreme Court case Citizens United v. Federal Election Commission (2010) was a pivotal moment that redefined the landscape of how political contributions are viewed under the First Amendment. Prior to this ruling, contributions from corporations and unions were significantly restricted. Post-ruling, however, many saw an increase in the influence of money in politics. Given this context, which of the following statements accurately reflects the changes in campaign finance regulation that emerged as a result of this landmark case?