| Flap 1 |
Flap 2 |
| annexation | adding more territory to a country |
| Manifest Destiny | the belief that the United States could and should expand across the continent |
| dispute | to fight with words; to argue |
| pass | a break or opening that makes it easier to travel across a mountain range |
| Continental Divide | a stretch of high land along the Rocky Mountains that separates streams and rivers that flow east from those that flow west |
| forty-niner | a person who went to look for gold in California in 1849 |
| boomtown | a town offering many chances to make money and filled with people just arriving |
| free state | a state that did not allow slavery |
| slave state | a state that permitted slavery |
| Union | another word for the United States; the states that remained united under the Constitution during the Civil War |
| secede | for a state to break away from the rest of the country |
| Confederate | having to do with the states that fought against the Union during the Civil War |
| Stephen Austin | American settler in Texas |
| Santa Anna | Mexican president and general defeated at San Jacinto |
| Sam Houston | leader of Texas troups against Mexicans, later president of Texas |
| Brigham Young | Mormon leader; settled in Utah |
| James K. Polk | president during the Texas annexation |
| missionary | someone who travels to a foreign country to do religious work |
| Henry Clay | proposed the Missouri Compromise and the Compromise of 1850 |
| Jefferson Davis | president of the confederacy during the civil war |
| Mexican War | because of the war, Mexico lost almost half its territory to the United States |
| Dred Scott | enslaved African who sued for his freedom after living in a free state. His case made it to the Supreme Court, which said enslaved people were not citizens but property. |
| John Brown | abolitionist who led a rebellion at Harpers Ferry, supported by Northerners in his cause. |
