I never reviewed this in class but I do remember that my teacher said that Rome had a strong army. I know its not B, C, and I don't think its D.
Hopefully this helped you.
Answer: Climax is the term used to refer to the part of story or play where the tension or action reaches its highest part. Sometimes, the climax is a "crisis" point in the plot. ... The climax is represented by the high point, and the action of the story begins to fall from there, until problems are resolved.
Explanation: hope this helps. :)
I do believe the answer would be B