Poe’s works often deal with the darker aspects of humanity, particularly the nature of evil. How is the concept of evil illustrated in “The Fall of the House of Usher”?

For this assignment, you are going to write a more formal literary analysis that addresses the following prompt:

Poe’s works often deal with the darker aspects of humanity, particularly the nature of evil. How is the concept of evil illustrated in “The Fall of the House of Usher”?
When responding to this prompt, consider how Poe would define “evil” and then how that definition of evil is shown in the story
“The Fall of the House of Usher” by Edgar Allan Poe
Since this is a more formal essay, it should contain a clear introduction (which includes your thesis, or the answer to the prompt), 3 body paragraphs, and a conclusion, and it should be at least 500 words.