During World War I, shell shock was considered a psychiatric illness resulting from injury to the nerves during combat. The condition is now known as combat stress reaction, a military term used to categorize a range of behaviors resulting from the stresses of battle. Symptoms include fatigue, slowed reaction time, indecision, disconnection from one’s surroundings, and the inability to prioritize. Why did some argue during the Vietnam War that distressed soldiers should be sent back to combat? Discuss