The Roaring Twenties in America saw the emergence of significant cultural phenomena, including jazz music, flapper fashion, and new forms of entertainment such as cinema and radio. This decade was characterized by economic prosperity, social change, and an overall sense of liberation following World War I. The Jazz Age brought musicians like Louis Armstrong and Duke Ellington to prominence, while the flapper movement challenged traditional gender roles with women embracing more progressive lifestyles, including new fashions and social freedoms. This era also witnessed the Harlem Renaissance, a flourishing of African American culture and arts, significantly influencing American society and setting the stage for future cultural developments.