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

Citizens United v. Federal Election Commission, 558 U.S. 310 (2010), is a US constitutional law case, in which the United States Supreme Court held that the First Amendment prohibits the government from restricting political independent expenditures by corporations, associations, or labor unions. In a 5-4 decision, the Court held that portions of BCRA violated the First Amendment.

Explanation:

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judicial because its legislative, executive and judicial

the answer is suffrage