This document discusses how art influences society through facilitating understanding and driving social change. It provides examples of how artists throughout history have used their work to expose political issues and scandals, such as Theodore Gericault's painting "The Raft of the Medusa" which depicted a shipwreck caused by governmental incompetence. The document also examines art movements like Dadaism that formed in protest of World War I and used non-traditional techniques like collage and chance to critique war and society. Additionally, it discusses Pablo Picasso's famous painting "Guernica" which brought attention to the brutality of the Spanish Civil War bombing of Guernica through its stark imagery.