Augustus centralized the government, as it went from a Republic to an Empire. As an Empire, there is an Emperor who does and decides everything, as he pleases. In a Republic there is a Senate who has to approve everything, before it becomes a legislation(a kind of law/rule). The Senate was the ,,crowd's voice".
If there was no blockade, the Confederacy would have gotten foreign aid from France or others. That would increase their imports and given them more supplies. They would have also been able to export cotton, their major crop, for money. The blockade stopped them from doing that and basically choked them into defeat, that is why it was called the Anaconda Plan.
Answer:
I believe that the answer is b
