This document provides an overview of social protest and affirmation in art from the last 200+ years. It discusses how artists have used their work to protest war, oppression, and injustice through various strategies like illustration, shock, humor, and narrative. Examples are given of artworks that protested military conflicts, affirmed oppressed identities, questioned social norms, and criticized aspects of society and government that reinforce the status quo. The risks of political art are also noted. In the end, discussion topics are posed about the role and effectiveness of protest art.