Answer:
if there is a C answer im pretty sure it would be C.) They established sea trade routes, which helped in spread of ideas and goods because none of the others make sence
Explanation:
I the early 1800s most Americans still lived along the Eastern side of North America. The midwest was considered the Frontier.
A. The opportunity to establish the US as a Military power :)
The fact that women could do the same as when, for example during the war many women took over the jobs of men due to. The fact that men where off fight and nobody to take they’re spots