Main Idea Review

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Across
  1. 3. Nicknamed America's "bread basket"
  2. 4. This invention helped farmers protect fields from cattle
  3. 6. Used to justify shoving Native Americans off land during westward expansion
  4. 9. After the Civil War, Americans began to move in this direction.
  5. 11. Immigrant group that worked on Transcontinental Railroad
  6. 12. Transcontinental Railroad led to a booming ______ economy
  7. 13. How trains impacted time.
Down
  1. 1. nickname for Transcontinental Railroad
  2. 2. When regions began to specialize in producing certain goods, the regions all became _______
  3. 5. State where rails met at Promonotory Point
  4. 7. Pittsburgh Steelers is an example of regional ______ in the economy
  5. 8. How is Columbia related to Uncle Sam?
  6. 10. nicknamed "green gold"