World War One

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Across
  1. 3. One of the causes of WWI; build up of armed forces
  2. 4. Staying out of a war; not picking a side
  3. 6. During WWI, Germany used unrestricted _________ warfare to attack ships.
  4. 7. New vehicle technology which provided defense on the battlefield
  5. 8. Ship sunk by Germany which resulted in the U.S. entering WWI in 1917
  6. 9. One of the causes of WWI; love and loyalty to your country
Down
  1. 1. One of the causes of WWI; empire building
  2. 2. Telegram from Germany to Mexico during WWI
  3. 5. One of the causes of WWI; teams; partnerships
  4. 7. Soldiers during WWI primarily fought from these "endzones" separated by "No Man's Land"