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.
If you're unsure about which is right for your story, read an article on choosing a point of view, or a discussion on point of view in response to a blog post. Examples: Jane Austen 's novel, Pride and Prejudice, like many classic novels, is told from the third person point of view: