Final answer:
Swing jazz was popular during the 1920s, a period known as the Jazz Age or The Roaring 20s.
Step-by-step explanation:
Swing jazz was popular during the 1920s in a period known as the Jazz Age or The Roaring 20s.
Jazz music, including swing jazz, emerged from African-American communities such as Harlem and spread to other cities like New Orleans, Chicago, and New York.
During this time, jazz became highly influential and attracted diverse audiences, including young white flappers and sheiks who enjoyed the energetic and improvisational style of swing jazz.