Answer:
He thought the Soviet Union "runs against the tide of history by denying human freedom and human dignity to its citizens," and that unlike the Societ Union, America always used its power for good, not evil
I believe it might be C. Correct me if I am wrong.
B, A, C, A (this last one I am not positive about)
A summary is a breif explanation/sum up of what you have talked about or what ever the topic was. It is used to wrap up everything you have explained. It is better to use summary's so that we can say the main idea in less words and so people can read it quicker and get the idea of that topic.