A Global Conflict

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Across
  1. 3. A secret German message urging Mexico to attack the U.S. in exchange for lost territory. (14 letters, 2 words)
  2. 5. A British passenger ship sunk by a German U-boat in 1915, killing American passengers. (9 letters)
  3. 6. A treaty signed in 1918 between Germany and Russia, marking Russia's exit from World War I. (22 letters, 4 words)
  4. 7. The agreement to stop fighting, which ended World War I on November 11, 1918. (9 letters)
  5. 8. A war strategy where a country devotes all its resources to the war effort. (9 letters, 2 words)
Down
  1. 1. The German policy of sinking any ship without warning, a key reason for U.S. entry into the war. (28 letters, 3 words)
  2. 2. The mass killing of Armenians by the Ottoman Empire during World War I. (15 letters, 2 words)
  3. 4. A type of biased communication used to influence public opinion. (10 letters)