What is an example of one challenge to change( around the time of civil war )

political-

economic-

social -

if you're talking about (ww2) they went bankrupt and their currency was worth nothing

explanation:

your answer is 1930's

explanation

this is just around the time the great depression was starting and putting the us ecnomy into ecnomic failure causing the goverment to take a much larger rule to try and pieace it back together