It would be "industrialization," that was a significant factor in both the german wars for unification and United States' Civil War, since Industrialization led to an irreconcilable economic split between two more major segments of each area.
Answer:
B summarizing sections of text as u read is the answer u may got it please If u have a doubt ask me and follow me
Yes because they were good at certain things that some people can't do
How can a country attack itself???
