Answer = A. After World War 1 After the end of WW1 (1918) the roaring twenties began (1920) and jazz really blew up in the united states but ended at the start of the great depression.
Explanation: Jazz Age was a cultural movement that developed between the 1920's and 1930's. in America. It is characterized by the new styles of musical expression and dance. Afro Americans are responsible for this musical direction, but soon became popular among the white middle class. It can be said that jazz had national popularity, thanks to the hedonistic period and the way of life of that time.
