Across
- 2. unions negotiate with management for workers as a group
- 3. make free from impurities
- 5. the exclusive possession or control of the supply of or trade in a commodity or service.
- 9. a manufacturing method in which a product is put together as it moves along a belt
- 13. to increase in speed
- 14. to change to make different
- 15. invested in an oil refinery. He used the profits to buy other oil companies
- 17. to give good reason for an action
- 19. is a center offering help to the urban poor
- 21. is a group of corporations run by a single board of directors
- 24. invented the telephone
- 25. a poor Scottish immigrant, he worked his way up in the railroad business
Down
- 1. tested a gas-powered airplane at kitty Hawk, North Carolina
- 4. businesses owned by many inventors
- 6. made the automobile available to millions of people
- 7. place where people receive medical treatment often for free or for small fee
- 8. came from a well-to-do family but she felt strong sympathy for the poor
- 10. is someone who sets up new businesses to make a profit
- 11. is the rapid growth of city populations
- 12. formed a new union it was called the American Federation of Labor
- 16. the system in which privately owned businesses compete freely
- 18. a document giving someone the sole right to make and sell an invention product
- 20. invention factory at Menlo Park NJ light bulb and hundreds more inventions
- 22. buildings divided into many tiny apartments
- 23. to get rid of
