| A | B |
| Progressive Movement | 1901 this era lasted through the Republican presidencies of Roosevelt and William Howard Taft. this group was diverse. chiefly middle-class residents of US cities. |
| 17th Amendment | 1913 required US senators to be elected by popular vote |
| Elkins Act | 1903 ICC had greater authority to stop railroads from granting rebates to favored customers. |
| Hepburn Act | 1906 commission could fix "just and reasonable" rates for railroads. |
| Pure Food and Drug Act / Meat Inspection Act | 1906 Upton Sinclair convinced congress to pass this law |
| New lands Reclamation Act | 1902 provides money for irrigation |
| Mann-Elkins Act | 1910 gave ICC power to suspend railroad rates |
| 16th Amendment | 1913 US government could collect an income tax |
| Payne-Aldrich Tariff | 1909 raised tariff on imports |
| Bull Moose Party | 1910ish Roosevelt claimed that he was as strong as a bull moose and this gave the idea for this progressive party's nickname. |
| Underwood Tariff | 1913 lowered tariff revenues |
| Federal Farm Loan Act | 1916 loan banks established to provide farm loans at low interest rates. |
| 19th amendment | 1920 women's suffrage |
| Lusitania | May 7th 1915. Tested US neutrality. germany sank the british passenger liner. |
| Sussex pledge | 1916ish. germany didn't want to risk war with US so agreed not to sink merchant/passanger ships. |
| Zimmermann Telegram | 1917 a note of germany asking spain to join forces and attack us. |
| Espionage Act | 1917 imprisonment of up to 20 years for people who tried to incite rebellion in the armed forces or obstruct the operation of the draft |
| Sedition Act | 1918 prohibited anyone making disloyal or abusive remarks about US government |
| Selective Service Act | 1917 ensured that all groups in population would be called into service. |
| Fourteen Points | Jan.1918 Wilson proposed this document. assured the country that the war was being fought for a moral cause and for postwar peace in Europe. |
| Treaty of Versailles | Jan. 1919 peace conference. this treaty ended world war one |