War world I

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Across
  1. 3. international conference.
  2. 6. feeling,principles,or effort.
  3. 9. general Staff
  4. 10. message on a poster.
Down
  1. 1. treaty in 1919 that brought a end to war world.
  2. 2. army passed through neutral Belgium to attack France.
  3. 4. military
  4. 5. German submarine used in world war 1.
  5. 7. type of combat in which opposing troops fight.
  6. 8. agreement made by opposite sides.