The Question and Answer section for Allegiant is a great resource to ask questions, find answers, and discuss the novel.
David explains that the Purity war was, "A civil war, waged by those with damaged genes, against the government and everyone with pure genes." Half the population of North America was wiped out because of the Purity Wars
Half of the story is told through Tris’s point of view. She is Divergent and chose to transfer from Abnegation to Dauntless during the Choosing Ceremony. Both of her parents were killed when the factionless and the Dauntless took down Erudite...