Photographers, novelists, and other artists who depicted working-class city life, leisure, and entertainment were demonstrating what concept?

Realism

Explanation:

Realism is the process of transforming a real-life situation into a more artistic form so it can be better understood by people.

Photographers, novelists, and actresses often do this to different type of groups in society.

For example, A novelist named Michael Lewis Depicted the Reality  about the reasons of United States housing bubble during the 2000s (Real life sitautions). He taught the audiences using interesting characters and story line so the audiences could have easier time understanding the reason of the collapse.

well its not not rising unemployment and falling inflation.

hope this good !