World War 1 Crossword Puzzle

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Across
  1. 2. The Canadian Prime Minister during World War 1
  2. 4. The city where the archduke was assassinated.
  3. 5. An attack plan against France by Germans
  4. 7. A policy of extending a country's power and influence through diplomacy or military force. A background cause of WW1.
  5. 10. Agreements between nations to aid and protect one another. A background cause of WW1.
  6. 15. Mandatory military service
  7. 16. The place where the WW1 peace treaty was signed.
  8. 17. A new country created by the Treaty of Versailles.
  9. 18. A Canadian pilot who shot down the Red Baron.
Down
  1. 1. Some soldiers and horses drowned in the mud
  2. 3. glorification of the military, a background cause of WW1, resulted in an arms race
  3. 6. A 1916 WWI battle between German and British forces ending in 1.25 million men killed or wounded - and the first use of tanks in warfare.
  4. 8. Germany had to pay France money for war damages.
  5. 9. President of the United States during WW1
  6. 11. Great Britain, France, Russia
  7. 12. Battle where poison gas was 1st used
  8. 13. President of the United States during WW1
  9. 14. the protection of merchant ships from U-boat-German submarine-attacks