Why was New England for the factory system?

where wealthy merchants built water-powered textile mills (and mill towns to support them) along the rivers of the Northeast.

Explanation:

zoom in on the bill of rights. the other side was just as divided: some antifederalists opposed the constitution only because it lacked a bill of rights, and others opposed it on other grounds and merely used the bill of rights as an excuse to campaign against it.

b)

it created free trade throughout the colonial territories.