| A | B |
|---|
| Allied Powers | Group of nations, including the United States, Britain, and the Soviet Union, who opposed the Axis powers |
| Central Powers | In World War I, the alliance of Germany and Austria-Hungary and other nations allied with them in opposing the Allies |
| Espionage Act | This law imposed sentences of up to twenty years on anyone found guilty of aiding the enemy |
| Fourteen Points | President Wilson's international peace plan after WWI and established the League of Nations |
| League of Nations | Collection of countries to keep peace after WWI; it was rejected by Congress |
| Red Scare | Time of anti-Communist feelings after WWI |
| Treaty of Versailles | The treaty imposed on Germany by the Allied powers in 1920 after the end of World War I which demanded exorbitant reparations from the Germans |
| Hull House | Settlement house founded by progressive reformer Jane Adams in Chicago in 1899; provided social and education opportunities for the working class and immigrants |
| Imperialism | A policy of extending your rule over foreign countries |
| Isolationism | Free from political alliances; policy of WWI and WWII initially |
| Labor Unions | Organizations formed to better working conditions |
| Muckraker | A journalist who uncovers abuses and corruption in a society; Upton Sinclair (Meat packing industry) and Ida Tarbell (Standard Oil trust) |
| 19th Amendment | Amendment that gave women the right to vote |
| Panama Canal | Built in 1914 connecting the Atlantic to Pacific Oceans; greatly reduced travel time and increased trade efficiency |
| Platt Amendment | Legislation that severely restricted Cuba's sovereignty and gave the US the right to intervene if Cuba got into trouble |
| Progressivism | The political idea of those who favor progress toward better conditions in government and society |
| Pure Food and Drug Act of 1906 | It prevented the adulteration and mislabeling of foods and pharmaceuticals |
| 17th Amendment | Amendment that allowed the direct election of Senators by voters |
| Spanish-American War | War fought between the US and Spain in Cuba and the Philippines. It lasted less than 3 months and resulted in Cuba's independence as well as the US annexing Puerto Rico, Guam, and the Philippines |
| Upton Sinclair | Author of the book "The Jungle" that exposed poor business practices of the meat packing industry. |
| Ida Tarbell | Journalist that exposed corrupt business practices of Standard Oil. |
| Initiative | The right of citizens outside the legislature to originate legislation, or a bill. |
| Recall | The right of citizens to remove an official from office. |
| Referendum | An event in which the people of a county, state, etc., vote for or against a law that deals with a specific issue. |
| Jim Crow Laws | Series of laws that limited the rights of African Americans. |
| Chinese Exclusion Act of 1882 | Law passed in Congress that banned Chinese immigrants from being allowed entrance into the United States. |
| NAACP | Organization that was devoted to progress in society within the African American community. |
| Conservationism | Movement to preserve the environment with acts like creating national parks. |
| Pullman Strike | Strike in 1894 that impacted the rail car production over working conditions. |
| Wounded Knee | Last conflict in 1890 between Native Americans and the U.S. government. |
| Samuel Gompers | Started the American Federation of Labor that focused on bettering working conditions. |
| Ellis Island | Immigrant processing center in New York City. |
