Many rivers that flow through the piedmont region head to the
appalachian mountains
ridge and valley region
coastal plain region.
blue ridge mountains.

plz

the completion of the erie canal spurred the first great westward movement of american settlers, gave access to the rich land and resources west of the appalachians and made new york the preeminent commercial city in the united states.

the answer i chose to believe is 'harmony'

napoleon the third became a empire in 1873 also known as the era of the franco-prussian war.