The international attitude was the world wanted revenge through a peace treaty and holding Germany accountable for all the damages.
Defend until the North gave up--essentially the South believed they had more conviction than the North and that would win out.
The South had an idea to fight for and believed they could survive on their own. The South relied on their ports and did not have as many supplies as the North but they had something to fight for. The North lacked morale and a mission. It was also believed by some that the South had the right to leave and the North had no right to stop them through military action.
The main way in which popular sovereignty applied to federalism is that it allowed settlers of new land to determine whether this new territory would be "slave" or "free", meaning that the states a large amount of power as well as the federal government.
Progressives were looking to change the problems of industrial society. Reformers wanted to tackle the tensions of urbanization, professors wanted new ideas to guide remedial action, and journalists exposed government corruption. Business leaders wanted to enforce efficiency and regulation, and industrial workers struggled to improve their bad working conditions. Women organized to protect their families and homes. Working condition issues - working conditions were difficult and dangerous. Workers worked around 9-12 hours/day, and wages were minimal. These conditions were not sustainable for a family, and so women and children had to work to provide for the their family.
I think it is B because it makes sense kind of lol.