Final answer:
Edgar Allen Poe set himself apart from other writers of the early nineteenth century by reflecting a morbid sensibility in his work and developing his own unique style.
Step-by-step explanation:
Edgar Allen Poe set himself apart from many other writers of the early nineteenth century by reflecting a morbid sensibility in his work that was distinctly at odds with the usually optimistic tone of American culture. While other writers focused on patriotism and American history, Poe delved into the darker aspects of human nature. Additionally, his writing style was not directly inspired by European writers of the Renaissance period, but rather he developed his own unique style characterized by psychological depth and macabre themes.
Learn more about Edgar Allen Poe's uniqueness as a writer