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 Utica (203 BC) and the reconquest of the parts of Sicily that had been temporarily lost after the battle of Cannae, the Romans secured a base for a naval assault on Carthage. They made use of that by carrying out a number of raids on African soil in 208, 207 and 205 BC. Since 206 BC, when Scipio Africanus finally expelled the Carthaginians from Iberia (see the battle of Ilipa), he was preoccupied with the idea that Africa should be the next target. To this end, he concluded an alliance with Syphax – one of the most powerful Numidian rulers at the time