" "I shall perish," said he, "I must perish in this deplorable folly. Thus, thus, and not otherwise, shall I be lost. I dread the events of the future, not in themselves, but in their results. I shudder at the thought of any, even the most trivial, incident, which may operate upon this intolerable agitation of soul." -Edgar Allan Poe, "The Fall of the House of Usher", 1839
In the story's use of implied incest and the house exacting itself upon Roderick deals with concepts of moral disintegration needing to be punished
Incest cannot stand
30 years before Reconstruction