westward expansion

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Across
  1. 6. An 1830 law forcing native Americans to leave
  2. 7. largest city
  3. 8. plains A flat dry area with rich soil in the midwest
  4. 9. Rocky Mountains are a high rugged mountain chain in western north America
  5. 11. land set aside by the Indian removal act
Down
  1. 1. People who came to California in 1849
  2. 2. The territory purchased by the US
  3. 3. The rush of people to an area where gold is
  4. 4. US army officer and scout
  5. 5. explorer of the Louisiana territory
  6. 10. River The longest river