World War 1

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Across
  1. 4. This type of German vessel attacked American passenger ships and U boats
  2. 6. The name of most successful WWI Pilot
  3. 8. The Name for foot soldiers
  4. 9. A strong attachment and support for your nation
  5. 10. The president during WWI
  6. 11. The other name referring to WWI
  7. 12. The military coalition between France , the United Kingdom, Russia, the United States, Italy, and Japan
  8. 13. The process of extending power by territorial acquisition
Down
  1. 1. The believe that a country should maintain a strong military capability
  2. 2. The archduke who was heir to the throne of Austria-Hungary who was assassinated
  3. 3. The military alliance between Germany and Austria-Hungary
  4. 5. The treaty that officially ended WWI
  5. 7. The man who assassinated Franz Ferdinand