History of American Cities

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Across
  1. 4. People who came to the United States
  2. 5. The reason many people moved to the cities
  3. 6. Tall buildings
  4. 7. Used to build tall buildings
Down
  1. 1. Found in buildings over 5 stories tall
  2. 2. The first cities were built near these for trading
  3. 3. Where most people in cities worked