# data[].attributes.body
- Canals
- Railroads

# data[].attributes.body
- Growth in transportation
- Growth in trade
- Growth in manufacturing

# data[].attributes.body
- Shipping
- Mining
- Farming

# data[].attributes.body
- Warm and hot summer
- Cold and snowy winters

# data[].attributes.body
- 2 million northerners arrived in the U.S.

# data[].attributes.body
- Rocky hills
- Fertile land

# data[].attributes.body
- Manufacturing cloth goods
- 5% lived in cities in 1800 and in 1850, 15% lived in cities