Prelude. Just before the battle, Grant had captured Jackson, Mississippi, and Pemberton retreated to the west. Attempts to stop the Union advance at Champion Hill and Big Black River Bridge were unsuccessful.
The point of view is that of the first person. Poe decided to write 'The Tell-tale Heart' from the point of view of the young man that is living with the old man. Through this poem, the narrator tells us how he isn't mad or insane, but how it takes cunning to kill the old man he's living with.
In the First Person point of view, the story is told by a character within the story, a character using the first person pronoun, I. If the narrator is the main character, the point of view is first person protagonist. Mark Twain lets Huck Finn narrate his own story in this point of view.