Because they helped strengthen their industrial-based economy
The Erie Canal is a canal in New York and connects the Great Lakes with New York. Railroads and canal benefit shipping goods because it is faster instead of going by wagon or horse
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A. because that was the main goal, after the first crusade none of the other crusades managed to recapture Jerusalem again,
The Americans whowed great distste and hatered towards Japan of which lead to the entry of the US in WW2 and the Nuclear bombing of Hiroshima.