Battle of Cannae shaping the military structure and tactical organization of the Roman Republican army. At Cannae, the Roman infantry assumed a formation similar to the Greek phalanx. This left them vulnerable to Hannibal's tactic of double envelopment since their inability to maneuver independently from the mass of the army made it impossible for them to counter the strategic encirclement used by the Carthaginian cavalry. The laws of the Roman state requiring command to alternate between the two consuls restricted strategic consistency. In the years following Cannae, striking reforms were introduced to address these deficiencies. First, the Romans "articulated the phalanx, then divided
Battle of the Bagradas River (255 BC) Battle of the Bagradas River (255 BC) The Battle of the Bagradas River (the ancient name of the Medjerda), also known as the Battle of Tunis, was a Carthaginian victory over Rome in the spring of 255 BC during the First Punic War. The greatly superior cavalry of the Carthaginians and their allies permitted a pincer attack on the Roman infantrymen, provoking a rout and slaughter. The mercenary Spartan general Xanthippus was hired by the city of Carthage following heavy-handed negotiations by Rome. He made the Romans fight on open ground, which allowed him to maximise the effect of the