What type of campaign fundraising did McCain-Feingold limit?

Question

Quizplus · Accepted Answer

McCain-Feingold limited soft money, which was unregulated and often used by political parties to fund activities that indirectly supported specific candidates. Hard money refers to regulated donations made directly to a candidate's campaign, while there is no such thing as "in-between money." The law did not extend new categories of unregulated campaign money, but rather limited them in an effort to reduce corruption and increase transparency in political fundraising.

What Type of Campaign Fundraising Did McCain-Feingold Limit