Explain more........
I think you forgot to finish your sentence.
Answer:
A common explanation is that the Civil War was fought over the moral issue of slavery. In fact, it was the economics of slavery and political control of that system that was central to the conflict.
Explanation:
Italy and Germany were able to unify, in a big part because of B) nationalism. Due to a culture and ideology of the unity of these regions based on national identity there were movements that began to push these societies towards national unification.