The author states that the first World War “proved nothing beyond the human capacity for committing a boundless blunder...” and was especially dismaying and traumatic for Ernest Hemingway, who “witnessed the horrifying spectacle first-hand” (Paragraph 2). In the context of this article, how are we changed by war? Based on your knowledge of Hemingway’s shifting political allegiances and the content of his writings, do you see evidence of the effect the war had on him? Cite evidence from this text, your own experience, and other literature, art, or history in your answer.