Share This Article 1. Francis Lieber, who wrote the first set of US military regulations to comprehensively regulate the conduct of war, fought at this battle. The Battle of Shiloh The Battle of the Somme The Battle of Gettysburg The Battle of Waterloo 2. The Posse Comitatus Law was passed in this year. 1914 1878 1787 1859 3. During the 1968 Battle for Hue, these anti-aircraft weapons were used for lack of tanks. M42 Dusters M163 Vulcan M247 Sergeant York M51 Skysweepers Loading …