The Great Gatsby's Theme On one level the novel comments on the careless gaiety and moral decadence of the period. It contains innumerable references to the contemporary scene. The wild extravagance of Gatsby's parties, the shallowness and aimlessness of the guests and the hint of Gatsby's involvement in crime all identify the period and the American setting. But as a piece of social commentary The Great Gatsby also describes the failure of the American dream, from the point of view that American political ideals conflict with the actual social conditions that exist. For whereas American democracy