Across
- 2. Invented affordable cars
- 3. invented the first gas powered airplane
- 8. opened a Hull House in 1889 to help children who had to work
- 10. “invention factory” at Menlo Park NJ light bulb and hundreds more inventions
- 11. started a steel company and made millions
- 14. invented the telegraph
- 15. Buildings divided into many tiny apartments
- 16. to purify; to make free from impurities
- 17. to increase in speed.
- 19. business owned by many investors
- 22. the rapid growth of city populations
- 23. a center offering help to urban poor
Down
- 1. America’s first billionaire
- 4. someone who sets up a new business to make profit
- 5. manufacturing method in which a product is put together as it moves along a conveyor belt
- 6. place where people relieve medical treatment, often for free or for a small fee.
- 7. negotiation between company management as a union representing a group of workers about wages, benefits, and working conditions.
- 9. to give good reason for an action
- 12. a document giving someone the sole right to make and sell an invention/product
- 13. an economic system in which each privately owned business decided what to produce, how much to produce and how much to charge.
- 18. to get rid of
- 20. company that controls all or nearly all business in that particular industry
- 21. to change; to make different
- 24. group of corporations run by a single board of directors
