Question

What effect did factories have on the size of cities in New England?

Answer 1

Cities started massively growing. A huge number of migrants, both foreign and from farms from rural areas started moving to cities to work in the factories and the cities started increasing their size by a huge amount. This also led to a huge number of poor areas in towns as the workers were usually poorly paid since their jobs were low skilled.

Answer 2

Ore and more protection/defense system