How did the development of Communism, Fascism, and the two World Wars influence artists?
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As you consider how did the development of Communism, Fascism, and the two World Wars influence artists, you might look at how Communism and Fascism caused a lot of art to depict Social Realism. For example, many artists showed "working class activities as heroic. Many artists who subscribed to Social Realism were painters with socialist (but not necessarily Marxist) political views" (http://www.jahsonic.com/SocialRealism.html).
If you look at some German pieces, you might recognize how art was also used as a propaganda tool. It is also important to note that under Communism and Fascism, modern art flourished.
If you need to cite the influence of these ideologies upon particular artists, you might cite Max Beckmann's art. When you look at the images and symbolism within ...
Influences on Artist during WW I & II are researched.