The Question and Answer section for Insurgent is a great resource to ask questions, find answers, and discuss the novel.
Tobias, however, finally believes that what Tris says is true, and forces Caleb to help disarm the security system on the computer so they can get the information. Just as Evelyn is talking about how there will no longer be any factions, Tobias...
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every faction is important in their own way each one depends in one another