Mostly the reasons were economic. The country's economy was dismembered when it entered the great depression and they had to take care of that. The South used this to reinforce its values because nobody was bothering them since the great depression forced the government to move its focus on something else.
D is your answer, hope I was able to help!
"B. The capitalist<span> system encourages competition among businesses"</span> is correct. Capitalism, although it definitely has flaws, encourages competition because in theory the person or company with the best idea makes the most money.
