"The boys who challenged Hitler" Crossword

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Across
  1. 3. A native to Germany
  2. 8. A building where soldiers live
  3. 9. Something that is hidden in a hidden place
  4. 10. To get a large amount of something over a long period of time
  5. 12. A collapsible bed for soldiers
  6. 13. A place where Monks mostly live
  7. 16. All agree on something
  8. 17. A person who engages in sabotage
  9. 19. To hide from something or someone
Down
  1. 1. Something that radiates
  2. 2. People who play dance music
  3. 4. A person who sells goods
  4. 5. Something that you do that is difficult
  5. 6. A survey to gain information
  6. 7. A large container used for equipment
  7. 11. A native to Denmark
  8. 12. A room where coats are left
  9. 14. Farm animals
  10. 15. A native to Norway
  11. 18. A person who assists and supports others