How did the Erie Canal help to develop the market economy in the north ?

In the late eighteenth and early nineteenth centuries, economic expansion spurred the building of canals to speed goods to market. ... The Erie Canal made an immense contribution to the wealth and importance of New York City, which became the chief U.S. port, and it fostered a population surge in western New York State.

Explanation:

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offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering

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