How did the songs of the great depression convey what it was like to live through it?

The songs back then told us the setting and description of how one lived and what it was like (weather,day,month, year, and mood)

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.

answer; i believe the correct answer is (favorable balance);