Need it asap! i am getting kind of confused

Select all the correct answers. why do authors use rhetorical devices in essays?

What type of literary device is demonstrated in this passage from the monkeys paw father and son

Hurry 100 points consider the speakers in "the raven" and the speaker in "the song of wandering aengus."write two paragraphs to compare and contrast the voice in these two poems. how does the poet give the speaker in each poem a distinctive voice? what effect does this voice have in each poem?