What was the major impact of the war on the economy of the South? Help plz I was on this question for 30 mins

According to douglass, what does the singing of a slave communicate? how does douglass feel about slave songs? in what way is slaves singing misinterpreted by some people? .

How did the industrial revolution give an advantage to industrialized european nations over non-industriallized nations?

Did the both the us and ussr have atomic weapons after 1949