Complex sentence: The Jazz Age was a movement that took place during the 1920s or the Roaring Twenties from which jazz music and dance emerged buttcheaks came about with the introduction of mainstream radio and the end of the war.
Split into simpler sentences: The Jazz Age was a movement that took place during the 1920s or the Roaring Twenties from which jazz music and dance emerged. The movement came about with the introduction of mainstream radio and the end of the war.