Which of these lines from “the raven” by edgar allan poe to create the dark and gloomy tone of the poem?
"'tis some visiter entreating entrance at my chamber door—
some late visiter entreating entrance at my chamber door;
once upon a midnight dreary, while i pondered weak and weary,
over many a quaint and curious volume of forgotten lore—
"and so faintly you came tapping, tapping at my chamber door,
that i scarce was sure i heard you"—here i opened wide the door—
bird or beast above the sculptured bust above his chamber door,
with such name as "nevermore."

One of the author’s purposes in the code book is to explain different types of codebreaking to his readers. which line best demonstrates this purpose? a theoretical breakthrough would be a fundamentally new way of finding alice's private key mathematicians have been studying factoring for centuries, and modern factoring techniques are not significantly better than ancient techniques a more recent development is the so-called tempest attack, which aims to detect the electromagnetic signals emitted . . in a computer's display unit if scientists could build a quantum computer, it would be able to perform calculations with . . enormous speed