The Poly Express
 The First Transcontinental Telegraph
 Gold Rush begins
 Oregon Treaty
 Trail of Tears
 Forty-niners
 Manifest Destiny
 Indian Removal Act
 Brigham Young
 Mexican-American
 1. 
 1830: _________1.________- Congress passes a law to move Native Americans from the Southeast to the west of the Mississippi River.
 2. 
 1838: _________2.________- The Cherokee Nation is forced to march from the east coast to Oklahoma. Many thousands die along the way.
 3. 
 1845: ________3.________- Journalist John O'Sullivan first uses the term to describe the westward expansion of the United States.
 4. 
 1846: ______4._______leads 5,000 Mormons to Utah - After experiencing religious persecution, the Mormons move to Salt Lake City, Utah.
 5. 
 1846-1848: The _______5._________War - A war fought over the rights to Texas. After the war, the United States paid Mexico $15 million for land that would later become California, Texas, Arizona, Nevada, Utah, and parts of several other states.
 6. 
 1846: ____6._________- England signs it handing over the Oregon Territory to the United States.
 7. 
 1848: ______7._______- James Marshall discovers gold at Sutter's Mill. Soon word is out, and people rush to California to strike it rich.
 8. 
 1849: Around 90,000 _______8.______ move to California to find gold.
 9. 
 1860: ______9._________begins to deliver mail.
 10. 
 1861: ___________10._____________line is finished. The Pony Express shuts down.