WW1

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Across
  1. 3. a revolutionary type of WWI-era battleship
  2. 4. heir to the Austro-Hungarian throne who was assassinated
  3. 6. trench warfare stretching from the Swiss border to the North Sea through France and Belgium
  4. 8. an anti-personnel artillery weapon, consisting of a shell filled with hundreds of lead balls and a small explosive charge
  5. 9. blueprint for ending WWI
  6. 11. first intergovernmental organization
  7. 12. deep narrow ditches dug in the ground by soldiers
Down
  1. 1. a deadlock on the Western Front
  2. 2. 28th U.S. President who led the nation into World War I in 1917
  3. 5. 10–300 yard deathtrap of land between opposing trench lines
  4. 7. the primary peace treaty ending World War I between the Allied Powers and Germany
  5. 10. a major military alliance during World War I