Which of the following pieces of art would be considered a form of social protest? a. A realistic painting of men on a boat crossing a river in winter. Washington Crossing the Delaware c. An abstract painting of suffering humans and animals. Guernica b. Napoleon standing among a group of sick people. He has his arm extended to touch the people. Napoleon in the Plague House at Jaffa d. A realistic painting of a man on horseback. Philip IV on Horseback.