1905 Theodore Roosevelt authorized a federal investigation of John D. Rockefeller’s Standard Oil Trust.
Elkins Act (1908). This stated that railroads were not allowed to give rebates to favored companies any longer.
The Expediting Act 1903. Purpose was to break up trusts by the steel, meatpacking, oil, and railroad industries by expediting their cases to the top of the list so they could be dealt with more quickly.
The Interstate Commerce Commission controlled the prices that railroads could charge.
Establish a Bureau of Corporations with sweeping power to investigate business practices; the bureau’s thoroughgoing reports were of immense assistance in antitrust cases.
The Antiquities Act of 1906 gave the president authority to restrict the use of particular public lands in America.
The Federal Employee's Compensation Act of 1908 provided workers' compensation for a number of federal employees.
The Bureau of the Census was authorized (1902) to collect information related to health and disease from around the country.
The National Conservation Commission was appointed (1908) to prepare "first inventory of natural resources.”
Immunity of Witnesses Act (1906) corporate officials could no longer make a plea of immunity to avoid testifying in cases which dealt with the illegal activities of their corporations.
New York’s 1901 Tenement House Act, which mandated better light, ventilation, and toilets.
The Pure Food and Drug Act of 1906
Hepburn Act in 1906, which increased the regulating power of the Interstate Commerce Commission.
Reclamation Service in 1902. The agency, through the use of dams and irrigation, created arable land in areas that had been too dry to farm
Meat Inspection Act of 1906.
The Federal Employers Liability Act of 1908, protects and compensates railroaders injured on the job.
Inland Waterways Commission in 1907 to study the relation of rivers, soil, forest, waterpower development, and water transportation
