World War II

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Across
  1. 4. a person taken by force to secure the taker's demands
  2. 5. artillery fire laid on a line close to friendly troops to screen and protect them
  3. 7. in or into hiding or secret operation
  4. 8. a firm adherent to a party
  5. 10. one that flees
Down
  1. 1. refusal to take part in a war between other powers
  2. 2. of or relating to the sea
  3. 3. a light portable antitank weapon
  4. 6. a small general-purpose motor vehicle
  5. 9. a weapon for destroying ships