Respuesta :
Almost the entire paragraph brings out a gloomy, oppressive mood. The usage of words like "dull, dark, and soundless day", "the clouds hung oppressively", a sense of insufferable gloom", and the sternest natural images of the desolate and terrible..." help you visualize how the House of Usher looks, and later on the description of the inside of the house, backs up the mood.
"dull, dark, and soundless day," "when the clouds hung oppressively low in the heavens," "a singularly dreary tract of country," "the melancholy House of Usher," and "a sense of insufferable gloom." Poe uses words such as dull, dark, dreary, melancholy, and insufferable to show the feeling