World War I

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Across
  1. 4. First country to declare war
  2. 8. The main German war plan
  3. 9. Consisted of Britain, France, and Russia
  4. 10. The clause that held Germany solely responsible for the war, causing it to pay all reparations
  5. 11. Name of the battle of Britain's worst single-day loss in any war
  6. 12. Treaty for Russian surrender
Down
  1. 1. Was initially in the Triple Alliance but switched sides
  2. 2. President Wilson's peace settlement plan
  3. 3. Used to clear trenches
  4. 5. Serbia was part of the ______
  5. 6. British passenger ship sunk by a German submarine
  6. 7. Archduke Franz Ferdinand's wife