No one, not even he could have averted the war without a historical wrong that could no longer be justified in a democracy - the continuation of legal human bondage in the United States. But to answer the question. Yes, I think it was very possible that no guns had to fire, and it would have been to me a revolting development.
I’m pretty sure the answer is C but a really good app that helps me in my political science class is Socratic by google. you should definitely download it!!:)
It’s important for the us to form international alliances for many reasons. Alliances help secure safety, strengthen trade relations, and can be used as reinforcement in battle