What was a result of the changing economy of the north during the mid-1800s?

The North developed economically much more than the South in the first half of the 19th century. Slavery was quickly abolished and the economy reverted to the rising industry to such an extent that during the Civil War about 80% of the industry in the USA was in the North.

Explanation:

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c.) biotic: snails; abiotic: temperature climate