# data[].attributes.body
-by 1860, there were over 80,000 miles of surfaced roads
-by 1850, 30,000 miles of tracks connected distant parts of the U.S
-a decade after canals were made, there were over 3,000 of them for water transportation

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-majority of Northerners were Protestant farmers
-villages were the centers of community activities
-public education grew after the 1830's and they were mostly boys

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-based on many different industries
-most lived on small family farms
-agriculture was difficult

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-in 1800, 5% of the population lived in cities and in 1850, 15%
-crowded and dirty
-sanitation systems, harbors, streets, and police forces were formed in 1830

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-rose from 5 million to 19 million in a matter of 60 years
-2 million Irish, Germans, and other Northern Europeans, settled North between 1830 and 1850

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-rocky, hilly, infertile land
-clear, fast, wide rivers
-many waterfalls

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-warm, humid summers
-cold, snowy winters