Share This Article 1. The Posse Comitatus Law was passed in this year. 1787 1914 1878 1859 2. 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 Gettysburg The Battle of the Somme The Battle of Shiloh The Battle of Waterloo 3. During the 1968 Battle for Hue, these anti-aircraft weapons were used for lack of tanks. M51 Skysweepers M163 Vulcan M42 Dusters M247 Sergeant York Loading …