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
Perusia Perusia The ancient Perusia, now Perugia, first appears in history as one of the 12 confederate cities of Etruria. It is first mentioned in the account of the war of 310 or 309 BC between the Etruscans and the Romans. It took, however, an important part in the rebellion of 295 BC and was reduced, with Vulsinii and Arretium (Arezzo), to seek for peace in the following year. It seems the city was in the Antonii's clientela since this period, as it was said by historians during imperial times. In 216 BC and 205 BC it assisted Rome in the