| A | B |
| oligopoly | market in which a few large companies control prices for an industry |
| muckraker | a journalist who uncovers abuses and corruption in a society |
| initiative | the right of citizens to place a measure or issues before the voters or the legislature for approval |
| referendum | the practice of letting voters accept or reject measures proposed by the legislature |
| recall | the right that enables voters to remove elected officials from office |
| suffragist | a man or woman who fought for a woman's right to vote |
| prohibition | ban on manufacture, sale, and transportation of liquor (18th Amendment 1919) |
| trustbuster | someone who breaks up a trust into smaller companies |
| arbitration | settling a dispute by agreeing to accept the decision of an impartial outsider |
| Square Deal | Theodore Roosevelt's promise of fair and equal treatment for all |
| conservation | the protection and preservation of natural resources |
| discrimination | unfair treatment of a group; unequal treatment because of a person's race, religion, ethnic background, or place of birth |
| mutualista | Mexican American self-defense groups |
| barrio | a Spanish-speaking neighborhood in a city |
| Pendleton Act | established the Civil Service Commission to give examinations for federal jobs |
| Sherman Antitrust Act | the first federal law to control trusts and monopolies |
| Interstate Commerce Act | set up a committee to oversee railroad and later trucking industries |
| Eugene V. Debs | helped found the American Socialist Part in 1898 |
| Ida Tarbell | described the oil trust's unfair practices |
| Upton Sinclair | described the horrors of the Chicago meatpacking industry |
| Jane Addams | became a pioneer in the emerging field of social work |
| Mother Cabrini | an Italian nun who came to the U.S. to work with the poor |
| Mary Church Terrell | an African American leader for women's rights |
| Frances Willard | educated the public about the dangers of alcohol abuse |
| Federal Reserve Act | created 12 regional banks supervised by a central board in Washington D.C. |
| Clayton Antitrust Act | one of the government's chief weapons used against trusts |
| Ku Klux Klan | lashed out against minorities, including Catholics, Jew, and immigrants, as well as African Americans |
| Booker T. Washington | born a slave, taught himself to read, and founded the Tuskegee Institute |
| W.E.B. Du Bois | the first African American to receive a doctorate degree from Harvard University |
| behalf | in the interest of |
| accurate | correct |
| professional | occupations requiring special knowledge or education |
| intelligence | the ability to understand and use knowledge |
| inspect | carefully examine` |
| primary | an election in which voters choose their party's candidates |
| deny | not allow access to |
| bias | prejudice; unbalanced view or consideration |