Read the following passage and answer the question:
"When soldiers first enlisted to fight in the war, many believed it would be a quick war and felt that serving for their side would bring them honor. After the battle of Bull Run, soldiers began to see a clearer picture of the reality of war. After The Battle of Antietam, the war became a war of attrition and the question of ‘who will give up first?’ hung in the air. The Civil War was also a conflict that pitted brothers, fathers, and families against each other depending on their geographic location."
What was the main question soldiers asked after the Battle of Antietam?