World War 1

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Across
  1. 2. His murder was one of the causes of WWI
  2. 5. Began mass production of his automobiles
  3. 7. sunk by a German submarine
  4. 10. the belief or desire of a government
  5. 16. a type of land warfare using occupied fighting lines
  6. 19. 28th president
  7. 20. brought end of ww1
Down
  1. 1. Man who flew his plane from New York to Paris without stopping
  2. 3. serious condition that results from your feet being wet for too long
  3. 4. A national policy of avoiding involvement in world affairs
  4. 6. fought from September 6-9, 1914
  5. 8. Serbian nationalist
  6. 9. A telegram Germany Sent to Mexico to convince Mexico to attack the U.S
  7. 11. alliance of Germany and Austria Hungary and other nations allied with them in opposing the Allies
  8. 12. German and French troops suffered in this battle
  9. 13. A strong feeling of pride in and devotion to one's country
  10. 14. a term used during the First and Second World Wars to describe the contested armed frontier between lands
  11. 15. A policy of extending a country's power and influence through diplomacy or military force
  12. 17. the exchange of goods or services for something of value
  13. 18. agreements between nations to aid and protect one another