World War I

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Across
  1. 3. ship was sunk by a German U-boat, influencing U.S. entry into the war.
  2. 4. president during World War I.
  3. 6. plan to avoid a two-front war.
  4. 7. treaty that ended WWI.
  5. 8. alliance included Britain, France, and Russia.
  6. 9. country where Archduke Franz Ferdinand was assassinated.
Down
  1. 1. of warfare involving deep ditches.
  2. 2. made by a defeated country.
  3. 3. or agreement to stop fighting.
  4. 5. used to promote a political cause or point of view.
  5. 6. Austria-Hungary, and the Ottoman Empire were part of this group.
  6. 8. spark that began World War I.