Southern gothic literature focuses on the supernatural elements alongside some grotesque characters, the unrealistic settings, and even at times irrational dark humor elements.
In the given passage about Mr. Shiftlet from "The Life You Save May Be Your Own", the author Flannery O'Connor used this feature to present the stranger who had come to the Craters' farm. Lucynell Crater's observation of Mr. Shiftlet, with the half-arm, links the story to the southern gothic form, presenting a picture of some unrealistic nature to that of the approaching stranger.
Missouri and Maine were the 2 new states.... Maine became a free state, and Missouri became a slave state.... the Compromise of 1820 is also known as the Missouri Compromise