# data[].attributes.body
- canals  -roads
- railroads

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- schools and churches
- growing class of merchants, manufactures, wage earners, and new business owners.

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- shipping           - lumber
- textiles              - furs
- mining               - trading
- tariffs on goods

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In 1800 only 5% of the population lived in cites.
By 1860 population in cities increased to 15%.
This led to an increase in trade and manufacturing and cites became an important center of art, culture, and education

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Between 1800 and 1860, population went from 5 million to 19 million, due to immigration.

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- rocky and hilly
- rivers and inlets
- bays
- infertile land

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- Warm and humid summers
- cold and snowy winters