Across
- 4. a company that controls most or all business in a particular industry
- 5. a document giving someone the sole right to make and sell an invention/product
- 7. the rapid growth of city populations
- 9. invention factory” at Menlo Park NJ light bulb and hundreds more inventions
Down
- 1. a center offering help to the urban poor
- 2. businesses owned by many investors
- 3. building divided into many tiny apartments
- 6. someone who sets up new businesses to make a profit
- 8. show or prove to be right or reasonable.