You can try out this book, its my favorite so far.
Tuck Everlasting by Natalie Babbitt.
Answer:
it's a guess but I hope it helps
Explanation:
they got their ideas from the Confucius ideas
The upper class Because they got all the advantages of it with none of the bad of it but that could also be the working class because they got more jobs and were able to find jobs faster and easier depends on what your lesson is focusing on