Chapter 18 section 1, 2, & 3

4. A center offering help to the urban poor
5. The rapid growth of city populations
6. Unions negotiate with managing for workers as a group
8. A company that controls most or all business in a particular industry
9. Led the expansion of the American steel industry
15. The inventor of the telephone
17. To get rid of
21. Buildings divided into many tiny apartments
23. Invented Airplanes
24. A manufacturing method in which a product is put together as it moves along a belt

1. To increase in speed
2. A group of corporations run by a single group of people
3. Businesses owned by many investors
7. Someone who sets up new business to make a profit
10. A place where people receive medical treatment, often for free or a small fee
11. A reformer
12. A labor union worker and a cigar maker
13. Purify; Make free from impurities
14. To change; To make different
16. Founder of the Ford Motor Company
18. The system in which privately owned businesses compete freely.
19. To give good reason for something
20. One of the most hated and admired people of this time period
21. “invention factory” at Menlo Park NJ light bulb and hundreds more inventions
22. a document giving someone the sole right to make and sell an invention/product