Vanished in example sentence
America was attempting to adjust to the aftermath of World War I (which is explored brilliantly in this film in a sequence through which Tom's brother, Mike, refuses to drink from a keg of beer smuggled in by Tom for his dinner party) People like Mike were still trying to feel that sense of loyalty towards the government after World War I. Yet that loyalty somehow vanished with the development of Prohibition and the rise of gang rule in urban society.