History researcher Alberto Pérez Rubio analyses the battle of Cannae taking into account the war context, the makeup of the opposing armies and the personalities of their commanders, and describes in detail the military strategy of the Carthaginian leader Hannibal Barca. Because of his victory at Cannas over Rome, Hannibal is regarded as one of the most brilliant examples of a tactical approach on a battlefield. And yet Cannae did not mean the defeat of Rome.