| A | B |
| Thomas Nast | Political cartoonist who exposed corruption within the government |
| Jane Addams | created Hull House and helped immigrants |
| Dorothea Dix | Advocate for mentally ill and prisoners |
| Booker T. Washington | taught African Americans how to deal with violence and prejudice |
| W.E.B. DuBois | wanted black power, told African Americans to speak out against white rule |
| Margaret Sanger | created Planned Parenthood and made birth control available to women |
| George Pendleton | made civil service exams a requirement for federal jobs |
| muckraker | a journalist who exposes corruption |
| Marcus Garvey | "black pride," encouraged African Americans to move back to "motherland" of Africa |
| Lucretia Mott | women's rights advocate, helped organize women's convention in Seneca Falls in 1848 |
| John Muir | established Yellowstone national park |
| Gifford Pinchot | Theodore Roosevelt's appointee to head the Forest Service, fired by Taft by protesting to against Ballinger to a congressional committee |
| Theodore Roosevelt | fought trusts, aided progressive reforms, built Panama Canal, increased US influence overseas |
| Elizabeth Cady Stanton | wrote the Declaration of Sentiments on women's right in 1848 |
| Upton Sinclair | his book "The Jungle" exposed unsanitary habits in the meat industry, led to the Pure Food and Drug Act |
| Harriet Tubman | helped enslaved persons escape to freedom by the Underground Railroad before the Civil War |
| Jacob Riis | exposed corruption in child labor |
| Woodrow Wilson | criticized big business and big government, his policy of New Freedom promised to enforce antitrust laws without threatening free economic competition |
| Carrie Chapman Catt | Headed National American Woman suffrage Association, helped secure passage of 19th Amendment in 1920 |
| William Howard Taft | promoted "dollar diplomacy" to expand foreign investments |