The gloomy and oppressive mood in this excerpt is illustrated by the phrases "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 invoke a sense of misery.
The parts of Edgar Allan Poe's excerpt "the fall of the house of Usher" that bring out gloomy and oppressive mood would be the part the narrator found out that usher got a mental illness. Usher begged his friend to come and see what's wrong with him.
There is no text proving they are right or wrong or a trusted source of information or if they are still publishing. They are called the American vegan society so you can assume they are all about veganism
