Identify a classic film that showcases the themes of the American Dream.

The film that most clearly showcases the themes of the American Dream is "The Great Gatsby." This classic work, based on F. Scott Fitzgerald's novel, explores the pursuit of wealth, ambition, and the often elusive nature of success and happiness in America during the 1920s. The character of Jay Gatsby epitomizes the pursuit of the American Dream through his extravagant lifestyle and obsessive desire to win back his lost love, Daisy Buchanan. However, the film ultimately critiques this dream by highlighting the hollowness and moral decay behind Gatsby's wealth and the unattainable nature of his aspirations.

In contrast, while "Casablanca," "Gone with the Wind," and "Citizen Kane" may touch upon various elements of American society and personal ambition, they do not encapsulate the American Dream in the same way. "Casablanca" is more focused on love and sacrifice during World War II, "Gone with the Wind" deals with themes of survival and resilience during the American Civil War, and "Citizen Kane" interrogates the life of wealth and power but ultimately presents a more cynical view of success and fulfillment than the idealized notion of the American Dream. Thus, "The Great Gatsby" stands out as the quintessential narrative of the American Dream's