1. the amount of something that people want to buy at certain prices. demand

2. the amount of something that people want to sell at certain prices supply

3. a town where railroad tracks begin or end railhead

4. twisted wire with a sharp barb, or point, every few inches Barbed wire

5. a business in which many people own shares, or parts, of the business corporation

6. what occurs when more than one business tries to sell the same goods or service. competition

7. a company that has no competition. monopoly

8. an organization of workers that tries to improve pay and working conditions for its members. Labor union

9. when workers refuse to work strike

10. unfair treatment or punishment persecution

11. a group of people who share a language or culture Ethnic group

12. a poorly built apartment building. tenement

13. a fenced area where large numbers of animals such as hogs and cattle are kept until they are used as food or moved to another place stockyard

14. a very tall building. skyscraper

15. a system of trains used to move people around cities. Rapid transit

16. a poor, crowded part of a city slum

17. a community center for people in cities. settlement

18. reformers who think governments should make laws to protect workers, consumers, and citizens' rights progressives

19. someone who "rakes up," or points out, unpleasant truths muckraker