Kurt Vonnegut provided a distinct cultural commentary in his literary works, often blending science fiction with satire. His narratives frequently explore themes of absurdity, humanity, and the critique of consumerism and war. In novels like "Slaughterhouse-Five", Vonnegut examines the futility of war and the concept of free will, using dark humor to address serious societal issues. His unique style often challenges traditional storytelling, employing non-linear narratives and metafictional elements. Through his distinctive voice, Vonnegut encourages readers to question societal norms and the sometimes absurd nature of human existence, leaving a lasting impact on American literature.