Campaign finance plays a crucial role in elections by influencing the amount of funding available for candidates and their respective campaigns. Funds are used for various purposes such as advertising, outreach, and organizing events to garner public support. The source and amount of campaign contributions can raise ethical questions regarding transparency and potential corruption. Regulations exist to limit contributions and ensure fair competition; however, significant disparities in funding can lead to unequal advantages for candidates, thereby impacting voter choices and overall election outcomes.