It happened in "The Fall of the House of Usher" (by Edgar Allan Poe) that while Usher and the narrator speaks, Usher's sister walks through the room, apparently unaware of the narrator. The narrator's reaction to seeing Usher's sister when he sees her pass through the room was with an utter astonishment not unmingled with dread.
It increased government regulation on businesses, because it exposed the meat industry and how disgusting it was. Now, meat has to be regulated by the FDA (food and drug association) before it is given to consumers to ensure that it is safe and good quality.
