Answer:
1.Annabel Lee” takes up a common subject in Edgar Allan Poe’s writing: the death of a beautiful young woman. It portrays this as the most tragic death of all—robbing the world of youth, beauty and innocence.
2.Annabel Lee's death—he believes that their jealousy and malice killed her
3.The poem ultimately seems to suffocate under the pressure of this endless grief, with no suggestion of a way out. In fact, the poem’s conclusion shows the speaker’s environment merging with his grief.
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