Answer:
The term ramshackle seems to infer that the houses in the neighborhood are not in tip top shape , so the neighborhood consists of people who are not financially elevated. But Miss Lottie's home is the worst of them all. It's old and unkept. Which could suggest that Miss Lottie herself is old.
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.
Answer: Locate the top three Mexican restaurants in Maine. Identify the four most nutritious types of food.
Explanation: Classification is sorting things into groups or categories. It can be also be considered as a simple division. In this case, the two chosen topics are best for classification writing because they allow to develop a general subject (Mexican restaurants, and Nutritious food) and then divide those subjects into smaller categories like, the Mexican restaurants in Main, then the best and the worst Mexican restaurants in Maine or the most nutritious types of food, in this way, we can later select the number of elements required in each case (3 restaurants, 4 types of food).