One Rhetorical Device used was Allusion by saying, "On this hallowed ground, heroic deeds were performed and eloquent words were spoken a century ago." He was referring to:
Lincoln's "Gettysburg Address"
His tone had heavy emphases and long pauses, that helped to <span> enhance </span> the seriousness of his topic. Slow and steady with longer pauses.
Example: We do not answer him-we do not answer those who lie beneath this soil-when we reply to the Negro by asking, "Patience."
The topic that would attract readers the most would be B, so that one is the most appropriate answer.
Can you show me your tell me the book so I can help you.