Why did Jay Gatsby’s American Dream fail?

After reading this excerpt, darren makes a text-to-text connection. which example is a text-to-text connection?

Cameron, who has an extreme and unreasonable suspicion of other people and their motives, suffers from paranoia which is a psychological disorder characterized by delusions of persecution or grandeur, was absolutely sure that someone was following him even though he was absolutely alone and hadn't seen a car for miles and miles.

Analyze the central conflict and its in a story to discover the theme. resolution protagonist antagonist character