Regulatory Legislation of the Gilded Age

In the period following the Civil War, the United States experienced a significant transformation during the Gilded Age, marked by rapid industrialization, economic growth, and political corruption. One of the critical issues the federal government faced during this time was effectively addressing the needs of an increasingly diverse electorate and the pressures from industrial interests. The politics of the Gilded Age were characterized by intense partisanship, the rise of third-party movements, and significant legislative challenges.

Which of the following legislative acts best illustrates the effort to regulate big business practices during this era?