World War 1

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Across
  1. 3. A ship that was sink in World War 1 by German U-boats
  2. 8. System A formal agreement between two or more nations or powers to cooperate and come to another's defense
  3. 10. A policy of extending a country's power and influence through diplomacy or military force.
Down
  1. 1. German emperor
  2. 2. Patriotic feeling, principles, or efforts
  3. 4. Boat German Submarines
  4. 5. Teams of troops,ships,or equipment
  5. 6. Wilson President During WW1
  6. 7. Guns A rapid firing weapon
  7. 9. Ferdinand The heir to the throne of Austria-Hungary