WW1 Crossword puzzle - Trenton Gramenz

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Across
  1. 3. Germany submarine boats
  2. 5. Represented the U.S.
  3. 6. A passenger ship sunk by Germany
  4. 9. A plan made by Woodrow Wilson
  5. 10. Not picking sides
Down
  1. 1. president of the U.S.
  2. 2. The murder of a targeted person
  3. 4. An expectancy for big army
  4. 7. A type of warfare
  5. 8. Countries that are friends