A. their youth lends itself to vigor and unity
I believe the answer is 2. Literary nonfiction is about true events using narrative techniques.
Because I dont know I havent read that book
14. C. Playing sports may have negative results.
15. C. Less than half of the children.
16. A. Adults.
17. D. Parents should teach children to play sports for fun and exercise.
18. A. Ignoring the problem.
Hope it helps. :)
Choice C forgetting to change his ship's sail