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Across
  1. 3. submarine attacks, including unrestricted submarine warfare, threatened American ships and lives.
  2. 6. ties and trade increasingly linked the United States to the Allied Powers.
  3. 7. lived in harsh conditions in trenches, facing disease, mud, and constant danger.
  4. 8. Germany---------limited submarine warfare after the Sussex Pledge.
  5. 9. was divided into two major alliances: the Allied Powers
  6. 12. New military including machine guns, poison gas, submarines, and airplanes, made the war especially deadly.
  7. 13. American---------helped turn the tide of the war in favor of the Allies.
  8. 14. warfare became common on the Western Front, leading to a long and brutal stalemate.
  9. 15. soldiers helped boost Allied morale and strength.
Down
  1. 1. The-----------Telegram proposed an alliance between Germany and Mexico against the United States.
  2. 2. General--------J. Pershing commanded American forces in Europe.
  3. 4. At the beginning of World War I, the United States declared-------.
  4. 5. The---------Service Act created a military draft to build the armed forces.
  5. 10. World War------ began in Europe in 1914 after rising nationalism, militarism, imperialism, and the formation of alliances.
  6. 11. the sinking of the--------increased tensions between the United States and Germany.