Understand Big Government action during the Progressive Era (1901-1917). Students conduct a mini research to match each concept with the appropriate Progressive President. The lesson uses an organizational chart featuring William McKinley, Theodore Roosevelt, William Howard Taft, and Woodrow Wilson. BIG CONCEPTS Elkins Act, Food and Drug Act, 16th Amendment, 17th Amendment, 18th Amendment, 19th Amendment, Federal Reserve, Workers Compensation, Collective Bargaining, Hepburn Act, Progressive Part