I think you forgot to add the options but based on my research the correct answer is "It's half on one or two dozen of another." This misquoted idiom from "daughter of invention" is intended to mean that it makes no difference to her. Thank you for posting your question. I hope that this answer helped you. Let me know if you need more help.
A presidential speech can convince people to vote for a candidate if they make good points. Making good points that would improve the country would motivate individuals. Confidence is also a major point.
