The main two regions of the United States that were the centers for industry and manufacturing during the Second Industrial Revolution were the NorthEast and Midwest
C. to make it easier to move goods from place to place
So, if your army consists of untrained and unskilled volunteers - the only chance you have is winning in numbers. However, sometimes even that isn't enough. If you don't have strong, well built, and skilled warriors to defend your nation - an attack could leave you vulnerable to a collapse.
Answer:
the black death was a widespread disease which was also very lethal and killed many humans and because so many people had it they speard it to other people very quickly
Well I think the answer might be D.