Also unclear is what would follow if state-centric nationalism were to die out. Some scholars believe that it will be replaced by culture, religion, or some other demographic characteristic as the primary sense of political self. Yet another group of scholars argues that a sense of global nationalism could emerge based on the similarities among all humans and their common experiences, needs, and goals. One such scholar envisages "a nation coextensive with humanity" that would then come together in a "United States of the World