<span>Kennedy's claim in this excerpt was that since the US was capable of developing the technology to put a man on the moon and return him safely to earth before the end of the 1960s. This would prove that the US was better than the Soviet Union.</span>
Yes you can use i for your thesis
Sorry but I can't clearly understand your question, you know. Could you a bit specify it? Anyway, if you are looking for some kind of writing help, I would recommend you to contact Supreme essay service. Those guys are real professionals in what they do. Give them a try!
Personally, the option I would choose is D. exonerated: out of, to complete the analogy. My reasoning would be that when you are carried by emotions, you are elated, the same way that when you are exonerated, you are deposed, or out of a certain service.
However, the answer that I found people saying is correct all over the Internet is C. coherent : to place, so, I don't know whom you should believe, sorry. :/