Question: Which supreme court case likened political spending to the first amendment, Buckley v. Valeo or Massachusetts v. Environmental Protection Agency?
Sentence (from "Buckley v. Valeo"): In a "per curiam" (by the Court) opinion, they ruled that expenditure limits contravene the First Amendment provision on freedom of speech because a restriction on spending for political communication necessarily reduces the quantity of expression.
Relevant evidence: Yes