| A | B |
| Maria Mitchell | She was the first woman to be honored after discovering a new comet, using a two-inch telescope. |
| NACW | The National Association of colored women- a social service organization founded in 1896. |
| suffrage | The right to vote. |
| Susan B. Anthany | A leader in the woman suffrage movement. |
| NAWSA | The National American Woman suffrage Association- an organization founded in 1890 to gain voting rights for women. |
| Upton Sinclair | A muckracking journalist whom visited Chicago to do research for a novel called the Jungle. |
| The jungle | A novel by Upton Sinclair, published in 1906, that portrayed the disgusting conditions prevalent in the meat packing industry. |
| Theodore Roosevelt | A hero of the Spanish-American war, and served as the 26th President of the United States. |
| Square Deal | Theodore Roosevelt's program of progressive reforms designed to protect the common people against big bisiness. |
| Meat inspection act | A law enacted in 1906, established strict cleanliness requirements for meatpackers and created a federal meat-inpection program. |
| Pure food and Drug Act | A law enacted in 1906 to halt the sale of contaminated foods and drugs and to assure truth in labeling. |
| Conservation | The planned management of natural resources, involving the protection of some wilderness areas and the development of others for the common good. |
| NAACP | The National Association for the Advancement for Colored People-an organization funded in 1909 to promotes full racial equality. |
| Gifford Pinchot | A conservationist who believed that wilderness areas could be scientifically managed to yield public enjoyment while allowing private development. |
| William Howard Taft | The secretary of war that was hand-picked by Roosevelt to carry out his policies. |
| Payne-Aldrich Tariff | A set of tax regulations, enacted by Congress in 1909, that failed to significantly reduce tariffs on the manufactured goods. |
| Bull Moose Party | A name given to the Progressive Party, formed to support Theodore Roosevelt's candidacy for the presidency in 1912. |
| Woodrow Wilson | A reform governor of New Jersey who won the Presidential election in 1912. |
| 19 | 19 |
| 20 | 20 |