How did the Jazz Age start

The Jazz Age was a post-World War I movement in the 1920s from which jazz music and dance emerged. … The rise of jazz coincided with the rise of radio

What does the highest good mean

(ˈsʊmʊm ˈbɒnʊm) n. (Philosophy) the principle of goodness in which all moral values are included or from which they are derived; highest or supreme good.