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Across
  1. 5. people who resisted the expansion of america
  2. 7. the movement of people or animals to one place or another
  3. 13. the act of becoming larger
  4. 14. the name of an act which put laws in place that allowed people to claim free land
  5. 15. a substance dropped by birds to enhance crop growth speed
  6. 16. a popular and common crop
  7. 17. a vehicle guided by rails
Down
  1. 1. an fuel used to power trains
  2. 2. the act of making people work for someone
  3. 3. a path that guides a train
  4. 4. people who work at a mine
  5. 6. livestock
  6. 8. a territory that is found to have valuable material, and have a rapid increase in population
  7. 9. large land mammals found in
  8. 10. a device used in railroads to communicate quickly
  9. 11. a vehicle pulled by livestock
  10. 12. a rare, shiny, and durable mineral