Across
- 4. a document giving someone the sole right to make and sell an invention/product
- 7. buildings divided into many tiny apartments
- 11. to get rid of something
- 12. worked hard for poor city dwellers
- 17. unions negotiate with management for workers as a group.
- 18. also came from humble beginnings.
- 19. formed a new union.It was called the Knights of Labor,or AFL.
- 21. A poor Scottish immigrant,he worked his way up in the Railroad business
- 22. is a group of corporations run by a single board of directors.
- 23. place where people receive medical treatment
- 24. to change;to make a different
- 25. tested a gas-powered airplane at Kitty Hawk,North Carolina.Refine: purify;make free from impurities
Down
- 1. the system in which privately owned businesses compete freely.
- 2. is a company that controls most or all business in a particular industry.
- 3. to give good reason an action
- 5. “invention factory” at Menlo Park NJ light bulb and hundreds more inventions
- 6. is a center offering help to the urban poor.
- 8. to increase in speed
- 9. is someone who set up new businesses to make a profit
- 10. purify;make free from impurities
- 13. is the rapid growth of city populations
- 14. an American manufacturer,made the automobile available to millions.
- 15. wanted to build a device that would carry the human voice.
- 16. or businesses owned by many investors
- 20. is a manufacturing method in which a product is put together as it moves along a belt.