What are some lessons learned from battle of Shiloh?

The Battle of Shiloh highlighted the importance of reconnaissance and intelligence in military strategy, as both Union and Confederate forces experienced surprise attacks. It underscored the necessity of effective communication and coordination among troops, as confusion and lack of clear orders contributed to initial Union setbacks. Additionally, the battle demonstrated the brutal reality of war, with high casualties prompting both sides to reconsider tactics and the need for better medical care for wounded soldiers. Finally, the engagement marked a turning point in public perception, revealing the war's potential for extensive bloodshed and altering the morale on both sides.