Across
- 1. A leader of the Lakota Sioux
- 4. Leaders of the expedition to explore the Native Americans and Louisiana Purchase
- 5. Founded the earliest precursor of the famous law enforcement organization
- 8. Seven-term U.S. Congressman, Speaker of the House, Governor of Tennessee, and the 11th President of the United States
- 11. American Politician, Militia Officer, and Frontiersman
- 12. United States Army Officer and cavalry commander
- 13. Head of the Mormon Church
- 14. One of the most famous long hunters ever
- 15. Rapid increases in mining activity driven by the discovery of valuable resources
- 16. Rapid influx of fortune seekers to the site of newly discovered gold deposits
- 18. Dissolution of state legislatures, disarmament of state militias, and abolition of the Constitution of 1824
- 19. Document that got signed for the United States to purchase 828,000 square miles of land west of the Mississippi River for $15 million
- 20. Mexican army officer and statesman
Down
- 2. Provided the land necessary for a southern transcontinental railroad and attempted to resolve conflicts that lingered after the Mexican-American War
- 3. An Oglala Sioux chief
- 6. Was president when he began to worry that a foreign power might shut down access to New Orleans
- 7. A Shoshone (Native American) from the Rocky Moutains
- 9. All of the present day states of Oregon, Washington, Idaho, and parts of Montana and Wyoming
- 10. Explorers who lived in the wilderness
- 17. Gave government-owned land to small farmers