| Term | Definition |
| Social Gospel Movement: | Reform program that preached salvation by helping the poor. |
| Patronage: | Giving government jobs to people who get a politician elected. |
| Pendelton Civil Service Act: | Law that started the Civil Service Commission, which gave government jobs by a person's performance. |
| Graft: | Political (illegal) use for personal growth. |
| Political Machine: | Organized group that controlled the activities of a political party. |
| Civil Service: | Government administration jobs. |
| Settlement House: | Community center in a slum area. |
| Mass Transit: | Kind of transportation system to move many people. |
| Urbanization: | Growth of cities. |
| President Chester A. Arthur: | Supported the Stalwarts and helped pass the Pendleton Civil Service Act. |
| President Rutherford B. Hayes: | Elected in 1876 whose work was to try to change the civil service jobs and fires corrupt workers. |
| President Grover Cleveland: | First democrat to win Presidential election in 28 years and opposed high tariffs. |
| President Benjamin Harrison: | Was a Senator from Indiana who list popular votes but won the electoral votes and won passage of the McKinley Tariff Act in 1890. |
| William "Boss" Tweed: | Was the "Boss" of Tammany Hall and cheated New York City of millions of dollars. |
| President James Garfield: | Continued Hayes' reform policies and was assassinated on July 2, 1881. |
| Jane Addams: | Founded Hull House in Chicago. |
| Angel Island: | Main West Coast immigration center located in the San Francisco Bay area. |
| Melting Pot: | When many cultures/races blend together to form the people of the U.S. |
| Ellis Island: | Chief immigration station in the U.S. where 17 million people passed through, located in NY Harbor. |
| Tenement: | Overcrowded, unsanitary multi-family urban dwellings. |
| Nativisim: | Overt favoritism toward native-born Americans. |
| Americanization Movement: | Planned to include people of wide ranging cultures into a dominant culture. |
| Gentleman's Agreement: | A deal worked out between TR and the Japanese that limited unskilled workers to the U.S. |
| Chinese Exclusion Act: | Banning of all Chinese immigration in 1892 |