World War 1 Review

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Across
  1. 5. Wilson’s plan for peace after WWI
  2. 7. Secret message from Germany encouraging Mexico to attack the U.S.
  3. 10. British ship sunk by Germany killing American citizens
  4. 15. Organization created to prevent future wars
  5. 17. The killing of Archduke Franz Ferdinand that sparked WWI
  6. 19. Competition for colonies and global power
  7. 20. Rapid-fire weapon used in WWI
Down
  1. 1. Treaty that officially ended World War I
  2. 2. Information used to influence public opinion, often misleading
  3. 3. Socialist leader jailed for opposing the war
  4. 4. Long ditches where soldiers fought during WWI
  5. 6. Policy of staying out of foreign conflicts
  6. 8. Speaking against the government or war effort
  7. 9. Extreme pride in one’s country
  8. 11. When a country does not take sides in a war
  9. 12. Policy of building up a strong military
  10. 13. Armored vehicle used to cross trenches and battlefields
  11. 14. Agreements between countries to help each other in war
  12. 16. Spying activities during wartime
  13. 18. Underwater vessel used in warfare