industry and trade grew rapidly in the northeast during the nineteenth century because

That was a period of rapid economic growth.  Important technological innovations, the quick expansion of bug business, large-scale agriculture, the rise of immigration and urbanization contributed to that fabulous economic industrial progress.

Explanation:

B) rivers provided transportation routes and water power for factories.

Explanation:

According to a different source, these are the options that come with this question:

A) the region is rich in mineral resources.

B) rivers provided transportation routes and water power for factories.

C) a well-planned system of roads connected the major cities.

D) people were eager to move from the farm to the suburbs.

One of the main reasons why industry and trade grew rapidly in the Northeast during the nineteenth century was because of the availability of water in the area. Water served several different purposes. Rivers were important, as they provided transportation routes, connecting different cities, and thus, various markets. Moreover, rivers provided water power for factories.