World war 1

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Across
  1. 2. What were the small tunnels that the men lived and fought in called?
  2. 4. What was the condition that some men developed due to wet feet?
  3. 6. What country did Germany invade that caused Britain to enter the war?
  4. 7. What was one of the causes of World War 1 A__?
  5. 9. What country did Germany want to invade?
  6. 11. What was one of the causes of World War 1 I__?
  7. 12. What was the stomach condition that killed many soldiers?
  8. 13. What was the campaign that started on April 25th?
Down
  1. 1. Franz _?
  2. 3. What is the name for the alliance of Germany and Austria-Hungary?
  3. 5. is another name for World War 1?
  4. 8. What is the acronym used for the Australian and New Zealand soldiers?
  5. 10. What was one of the causes of World War 1 A__?