How did the bipartisan campaign reform act affect campaign funding and spending?

it restricted spending by banning parties, candidates, and and elected officials from receiving or spending soft money on election campaigns

Enacted in 2002, the bipartisan Campaign Reform Act, ordinarily referred to as the McCain-Feingold Act, could be a major federal law control finance for federal political candidates and campaigns. The law was designed to handle 2 key campaign finance issues: political contribution and issue advocacy. According to the legislative assembly analysis Service, a political contribution is "a term of art touching on funds typically looked as if it would influence elections however not regulated by campaign finance law." before the enactment of McCain-Feingold, this enclosed "large contributions from otherwise prohibited sources. According to the Federal Commission, the Bipartisan Campaign Reform Act "includes many provisions designed to finish the use" of sentimental cash in federal elections