Work from the early 20th century (ca. 1900-1950) that either reflects the culture or society in which it was created

Find a good example of a work from the early 20th century (ca. 1900-1950) that either reflects the culture or society in which it was created or has affected society in some way. Then choose ONE of the following to discuss:

Start a discussion about how the visual appearance of this work reflects its culture/society. (E.g. Many art movements emerged in response to WWI, and the styles and subject matter of the art they created reflect their various opinions of war–did the art movement that your work belongs to have a positive or negative opinion about war? How did they express this opinion through style, subject matter, or choice of materials?)