Question

HELP HELP Why did the population of U.S. cities drastically increase from 1840-1870? *

The rise of industrialism in the United States
The establishment of a federal income tax
A prolonged food shortage in the United States
A lengthy war over disputed territory

Answer 1

sooooooo just go on while u can

Answer 2

The correct answer to this is

"A. the rise of industrialism in the United States"