Fill me in on dream almost escaping :will give brainliest but will report if answered incorrect

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.

What's my name? if you know you know

What did mark twain contribute to the history of the novel? select all that apply.