Dean's Death

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…given to him by Dr. Bancroft. Why would Deane want to end his life aboard ship if he was going to America in order to start a new life? He had made plans for the future and suddenly killed himself? I do not think this is the case. I think Dr. Bancroft had to do with it. I think, his fear of being busted, of being accused as a traitor helped him make the decision.