WWI

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Across
  1. 4. Which 1919 peace treaty officially ended World War I, imposed reparations on Germany, and sowed resentment that contributed to World War II?
  2. 6. Which countries fought against the Allies during World War I, including Germany, Austria-Hungary, Bulgaria, and the Ottoman Empire?
  3. 10. Which German leader gave Austria-Hungary a “blank check” assurance of support prior to the outbreak of World War I?
  4. 12. Which failed Allied operation in 1915-1916 attempted to defeat the Ottoman Empire but resulted in heavy casualties and a full retreat?
Down
  1. 1. British passenger ship, sunk by a German U-boat in 1915, turned American public opinion against Germany and contributed to U.S. involvement in World War I?
  2. 2. What was the German military strategy designed to fight a two-front war, attacking France through Belgium in the west and Russia in the east?
  3. 3. Who was the heir to the Austro-Hungarian Empire whose assassination in Sarajevo sparked the start of World War I?
  4. 5. Which battle, fought from February to December 1916, resulted in nearly a million casualties and symbolized the horrors of trench warfare?
  5. 7. What global pandemic of 1918 followed World War I and killed an estimated 20 to 50 million people, exacerbating the war’s social impact?
  6. 8. Which type of warfare, including the use of mustard gas and phosgene, caused severe suffering during World War I and led to restrictions under the Geneva Convention?
  7. 9. Who was the Serbian nationalist responsible for assassinating Archduke Franz Ferdinand and his wife Sophie in 1914?
  8. 11. Which 1914 battle stopped the German advance into France and led both sides to dig trenches along the Western Front?