How have cultural, economic, and political influences informed the ways that visual artists represent the physical environment?

Cultural, economic and political influenced artists and how they represent the physical enviorment in many ways. An example, Artists that become involved with politics may express themselves, and there anger or there views for a certain topic through there art. Artists can express their views in politics and even culture not only in words, but through their art. Artists also spread love this way; they will paint graffiti of the economy or cultural beliefs or even political beliefs through art. "A picture can say a thousand words." This can also help artists that cannot speak clearly or have communication problems, they can then paint how they feel.