An allegory is a story in which the entire work involves characters and actions that stand for abstract ideas or historic events. It has two levels of meaning, one involving the characters, setting, plot, etc, and the symbolic level, where ideas are abstracted into characters, figures, events. A well known example is Plato's Cave where education or the lack if it is represented by the shadows and the sun.
The funeral, which is extremely gothic and stands in contrast to her neighborhood. Hope this helped (:
The theme prominent is the death of a young man at the height of his strength and his career. Death of a young person is a common theme in poetry and this one is very famous because of the emotions that it awakens in a person. Poe was known for writing poems like this usually including young women who die before becoming old.
In this sentence the proper noun is B California.