WWI

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Across
  1. 3. Militant X–belief in a supreme state for a supreme people–helped start the war.
  2. 5. A complex system of defense X dragged countries into the conflict.
  3. 6. The 1919 Treaty of X ended WWI but probably caused WWII.
  4. 7. Many surviving soldiers suffered from "X shock."
  5. 8. Chemical weapons inspired the use of X masks.
Down
  1. 1. The X movement inspired both "scientific" racism & better medical care.
  2. 2. Troops hid in and charged out of muddy X.
  3. 4. WWI X guns could fire ~500 rounds per minute.