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
Tiberius Sempronius Gracchus (consul 215 BC) Tiberius Sempronius Gracchus (consul 215 BC) Tiberius Sempronius Ti. f. Ti. n. Gracchus (died 212 BC) was a Roman Republican consul in the Second Punic War. He was son of Tiberius Sempronius Ti. f. Gracchus, who was apparently the first man from his branch of the family to become a consul. Gracchus is first mentioned in 216 BC as a curule aedile, in which capacity he was inducted as the Master of the Horse to the newly elected Dictator Marcus Junius Pera after the defeat at Cannae. He was elected consul in 216 BC, at the recommendation of the Dictator,