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.
The point of view relates to the perspective that the story is told from, while the tone is created by the feelings portrayed by the characters. The atmosphere of a story may also contribute to the tone. In addition, imagery or symbolism are employed as narrative elements in some types of stories.