This easy but can someone do it

"The Erie Canal provided a direct water route from New York City to the Midwest, triggering large-scale commercial and agricultural development—as well as immigration—to the sparsely populated frontiers of western New York, Ohio, Indiana, Michigan and points farther west." (History)

Explanation:

The cost to transport goods were a lot  cheaper to transport

map scale refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground. for example, on a 1: 100000 scale map, 1cm on the map equals 1km on the ground.

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