The three appeals are logos, ethos, and pathos.
Pathos is an appeal to emotion, ethos is an appeal through your own credibility, and logos is an appeal to logic.
Logos is the answer you're looking for.
Because you have to fit the context clues together like a puzzle
Answer:
The central Idea is "For many reasons, notable people sometimes avoid revealing their private identity".
Explanation:
If you read the text the author clearly expresses his/her feeling based on that one topic. The main idea is implied. (are those multiple answers or a text I'm not sure)
Answer:
Yes, almost any device is if you use it for educational purposes.
Explanation:
Because Twain's writing is very inspiring and encouraging