Social Studies review

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Across
  1. 3. connects the Atlantic to the Pacific
  2. 5. area between trenches
  3. 10. Wilson president during WW1 for the US
  4. 11. where the treaty ended the war
  5. 13. when germany tried to get Mexico to attack us
  6. 18. roosevelt's greatest thing during office
  7. 20. killed in Serbia and started WW1
  8. 21. the state many black cowboys came from
Down
  1. 1. first used in WW1
  2. 2. new invention during war
  3. 4. member of the rough riders
  4. 6. ship that was sank and angered Americans
  5. 7. Woodrow Wilson's plan for Ww1
  6. 8. the president during the Spanish American war
  7. 9. where immigrants came into America
  8. 12. Princip's terrrorist group
  9. 14. the reason many people died during the construction of the Panama Canal
  10. 15. the side the US was on in the war
  11. 16. used to avoid no mans land
  12. 17. Germany's best weapon during WW1
  13. 19. first country to declare war
  14. 22. the bad guys in WW1