history

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