Urban History Puzzle

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Across
  1. 4. developments outside of the city
  2. 6. wrote about the walking city
  3. 9. how cities get more territory
  4. 14. in charge of urban discipline
  5. 16. often referred to as "mother"
  6. 17. pattern of street design
Down
  1. 1. referring to agglomerations of people and service at high density and populations of several thousands
  2. 2. cars getting stuck together
  3. 3. slang term for a housing development
  4. 5. it's necessary to build a city
  5. 7. expanding of the city
  6. 8. development that has a variety of functions
  7. 10. landscape design
  8. 11. problem with urban populations
  9. 12. how cities add suburbs
  10. 13. a central spot in the city
  11. 15. designed falling water