Final answer:
The Tillman Act of 1907 prohibited corporations from contributing to federal campaigns, marking a foundational step in campaign finance regulation in the United States.
Step-by-step explanation:
The Tillman Act of 1907 was significant legislation that addressed political corruption and undue influence in federal campaigns. The correct answer to the question is (d) It prohibited corporations from contributing to federal campaigns. This act was one of the early efforts to regulate campaign finance in the United States, making it illegal for corporations to directly contribute funds to federal political candidates.
Introduced after concerns rose about the influence of corporate money in politics, the Tillman Act set a precedent for further regulations, aiming to ensure fairness and reduce corruption in the political process.
Subsequentlaws, such as the Federal Election Campaign Act and the Bipartisan Campaign Reform Act, built upon the Tillman Act's foundation, introducing more detailed restrictions, disclosure requirements, and limitations on political spending by interest groups, corporations, and individuals.