Industrial revolution

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Across
  1. 2. working conditions
  2. 5. Wright brothers
  3. 7. get richer
  4. 9. engine
  5. 10. class
  6. 11. Child labor
  7. 13. line
  8. 14. pay
Down
  1. 1. D Rockefeller Rockefeller center
  2. 3. bessemer
  3. 4. Engels
  4. 6. get poorer
  5. 7. Guglielmo marconi
  6. 8. Karl Marx
  7. 9. machine
  8. 12. mills