More effective than the other candidates, he would have been a great president when it came to negotiating with other countries. (if you talking about Bernie Sanders)
Answer:
Try and practice more in that subject.
Explanation:
Same happened to me but except mine was lower. As soon as I saw my results, I started to change my mood towards work and I practiced more of the lessons I had failed in. I started going higher and yeah, hope this works for you too:)
Tom feels like he is of the "superior" race. He explains a book that he read that says that if they don't watch out, the white race will be "submerged" in just a matter of years. Clearly he believes that as a white man he is of the dominant race, and the fact that there is a book published about it and he can freely say these things shows that many people in society are of the same mind.
Some people today still think this way, although it is socially not acceptable to say it or act like it. Fitzgerald probably included this information to show how opinionated Tom is and set the tone of society at the time.
He might repeat it to emphasis it