26, 1919: Grand Canyon National Park Act of 1919, Sess. 3, ch. 44, February 26, 1919: Acadia National Park Act of 1919, Sess. 3, ch. 45, March 2, 1919: War Risk Insurance Act of 1919 (War Minerals Relief Act of 1919, Dent Act), Sess. 3, ch. 94, March 2, 1919: River and Harbors Act of 1919, Sess. 3, ch. 95, March 3, 1919: Hospitalization Act of 1919, Sess. 3, ch. 98, March 3, 1919: Fifth Liberty Bond Act, Sess. 3, ch. 100, March 4, 1919: Wheat Price Guarantee Act, Sess. 3, ch. 125, Major resolutions April 3, 1918 American's Creed (House) Constitutional amendments December 18, 1917: Approved an amendment to the United States Constitution declaring the production, transport, and sale of alcohol (though not the consumption or private possession) illegal, and submitted it to the state legislatures for ratification Amendment was later ratified on January 16, 1919, becoming the Eighteenth Amendment to the United States Constitution Party summary Senate House of Representatives Leadership Senate leadership Presiding President: Thomas R. Marshall (D) President pro tempore: Willard Saulsbury Jr. (D) Majority Whip: J. Hamilton Lewis (D) Minority Whip: Charles Curtis (R) Republican Conference Chairman: Jacob Harold Gallinger (until August 17, 1918) Henry Cabot Lodge (from 1918) Democratic Caucus Chairman : Thomas S. Martin Republican Conference Secretary: James Wolcott Wadsworth Jr. Democratic Caucus Secretary: William H. King House leadership Presiding Speaker: Champ Clark (D) Majority (Democratic) leadership Majority Leader: Claude Kitchin Majority Whip: vacant Democratic Caucus Chairman: Edward W. Saunders Democratic Campaign Committee Chairman: Scott Ferris Minority (Republican) leadership Minority Leader: James R. Mann Minority Whip: Charles M. Hamilton Republican Conference Chairman: William S. Greene Republican Campaign Committee Chairman: Frank P. Woods Members Skip to House of Representatives, below Senate Because of the 17th Amendment, starting in 1914 U.S. senators were directly elected instead of by the state legislatures. However, this did not affect the terms of U.S. senators whose terms had started before that Amendment took effect, In this Congress, Class 2 meant their term ended with this Congress, requiring reelection in 1918; Class 3 meant their term began in the last Congress, requiring reelection in 1920; and Class 1 meant their term began in this Congress, requiring reelection in 1922. Alabama 2. John H. Bankhead (D) 3. Oscar W. Underwood (D) Arizona 1. Henry F. Ashurst (D) 3. Marcus A. Smith (D) Arkansas 2. Joseph T. Robinson (D) 3. William F.