| A | B |
|---|
| Louisiana Purchase | Jefferson bought from France and it doubled the size of the U.S. |
| Lewis and Clark | explored the Louisiana Purchase from the Mississippi River to the Pacific Ocean |
| Florida | Spain gave this to the United States through a treaty |
| Texas | this was added after it became an independent republic |
| Oregon Territory | this was divided by the United States and Great Britain. |
| California | War with Mexico resulted in this and the southwest territory becoming part of the United States. |
| Geography and Economic Opportunity | these factors influenced westward migration |
| Manifest Destiny | the idea that expansion was for the good of the country and was the right of the country |
| Eli Whitney | invented the Cottin Gin |
| Cotton Gin | It increased the production of cotton and thus increased the need for slave labor to cultivate and pick the cotton. |
| Cyrus McCormick | Invented the reaper with Jo Anderson. |
| Reaper | increased the productivity of the American farmer |
| Robert Fulton | invented the steamboat |
| Steamboat | provided faster river transportation that connected Southern plantations and farms to Northern industries |
| Steam Locomotive | provided faster land transportation |
| Abolitionists | worked to end slavery |
| Harriet Tubman | a woman who was a slave and who later became an abolitionist and a conductor of the Underground Railroad |
| William Lloyd Garrison | American abolitionist, who founded the influential antislavery newspaper The Liberator |
| Frederick Douglass | he was a slave who became an abolitionist, orator and writer |
| Suffrage Movement | helped women gain equal rights |
| Isabel Sojourner Truth | a former slave who campaigned for women's rights |
| Susan B. Anthony | led the struggle to gain the vote for women |
| Elizabeth Cady Stanton | helped organize the first women's rights convention in the United States |
