Why? You might ask, well…
It is because divergent is full of surprises.The 5 factions, Canador, the honest, Abnegation (stiffs) selfless, Dauntless, the brave, and lastly,Erudite, the Intelligent are how the people of Chicago are separate. When a person turns 16 they are allow to pick which faction they would like to spend there life in, meaning either saying with their families, or being separated, permanently. The main Character Tris, must go for her Aptitude test, which gives you an idea which faction you should go to, her results are “divergent”... But being a “divergent “ comes with a price…
Speaking of foreshadowing Roth always had you waiting for something, she amazing job foreshadowing, so most of the book you are leading up to something