In what way can Jazz Age activities be seen as an effect of the econom

In what way can Jazz Age activities be seen as an effect of the economic growth of this period?

a. The consumer goods boom resulted in a multiplication of sporting events and other forms of entertainment.
b. Lower tariffs provided easier access to European goods, influencing fashion and other cultural trends.
c. Increased standards of living provided the middle class with leisure time and disposable income to spend on an increasing variety of diversions.
d. Exuberant dances like the Charleston expressed the new financial prosperity enjoyed by many Americans at this time.
e. As the overall standard of living increased, rural Americans felt less restrained by conservative morals and more free to explore new forms of entertainment.

ANSWER
C