According to the chart, what was the immediate cause for the increased demand for mass entertainment activities?

more leisure time

Explanation:

The increased demand for mass entertainment came as a result of the people having more leisure time at disposal. Rarely who had any leisure time actually until this period, so the entertainment activities were largely demanded by the people from the high class of the society. This all changed with the workers managing to get better working conditions. The workers, through the labor unions, managed to get their working time decreased, as well as a decrease in the working days. This resulted in the working class to have leisure time, and not just to have leisure time, but also to have enough money to spend on entertainment activities, thus the demand skyrocketed.