How we cite our quotes: (Chapter.Paragraph)
Quote #10
"You know the stories—elves that made shoes during the night, sprites that cleaned houses. Back when we coexisted to a certain extent. Magical favors in exchange for their fairy forts. (9.356)
This sounds more like an oppressive relationship than an exchange of favors, so it wouldn't be hard to imagine that when the People separated from humans they turned around and oppressed certain types of fairies, bringing about the divisions in the races.