I believe the answer is ethics.
Authority & logic don't make sense in this case. The only aspect I see that appeals to the readers' emotions would be the use of the word solemnly, but this text was concise and solid.
Ethics is a branch of philosophy that involves systematizing, defending, and recommending concepts of right and wrong conduct. The text shows that the writers intend to advocate their independence as being only morally acceptable.
Repetitive, Periodic and Frequent there are many Synonyms for the word it just depends on which you are looking for.
A. Auditory learners because the person learns by speaking or saying something over and over again.
Percy Jackson and Harry Potter share the theme of friendship and fantasy.
In Percy Jackson, Percy is always moving from school to school, when he meets his friend Grover, they travel to camp half-blood. Percy meets Annabeth and they soon become best friends.
In Harry Potter, Harry is friendless and lonely like Percy, he goes to Hogwarts and meets Ron, quick to be 'best mates.'