Late 19th century science fiction stories and utopian treatises focused on morals and attitudes supporting economic, sociological and at times Marxist ideas. More than a century later, science fiction often depicts the inherent dangers of capitalism and imperialism. Examining a variety of conflicts from the Civil War through the post-9/11 era, this collection of new essays explores philosophical introspection and futuristic forecasting in science fiction and fantasy literature and film, with a focus on the warlike nature of humanity.