7. Transport soldiers

8. Improved communication

9. Made large commercial farms possible

14. Roamed the plains following herds of buffalo

15. Sioux, Comanche, Blackfoot

19. Buffalo served as food for rail workers

20. Hunting for hides

30. To small for nomadic hunters

33. Gave each family 160 acres to farm

39. Plains people had been nomads. They did not always understand land ownership