I'm afraid I couldn't give you a complete answer, or the answer that you're looking for, for this question regarding the Native-born Americans in 1860's since there is no map provided with this question. Try re-posting this question with the map on it.
Previous military policies had created massive killings throughout long years on a war of aggression. Brinkmanship, as showed in history was used to let another country stop its war through massive retaliation. It is a more dangerous option to use nuclear weapons as a sign of power and capability to kill more people including civilians in a fast mode.
Answer: B is correct.
Explanation: there were many who wanted to follow isolationism arguing that the war was problem of Europeans, there were also those (many Americans were of European origin with their roots in different corners of the Old continent). Situation changed and USA (country of European origin and roots) entered the war and continued engaged in (especially) European security policy.
Shakespeare's plays are all about questioning authority: kings are deposed; bad people (Iago) triump over good ones (Cassio); your parents don't always know best (the behaviour of the parents in Romeo and Juliet is the cause of all the trouble).
In the Middle Ages people had a general sense that God was in his heaven, and all was right with the world. In the Renaissance people started to ask if that was true.
Shakespeare is always asking difficult questions, which is a very Renaissance thing to do. And he never makes any direct reference to Christian faith in any of his plays:- religious doubt was also a very Renaissance characteristic.
