Second Punic War the middle between the Fabian tactics and the tactics suggested by Varro. In the campaign of 217 BC, Hannibal had failed to obtain a following among the Italics. In the spring of 216 BC, he took the initiative and seized the large supply depot at Cannae in the Apulian plain. The Roman Senate authorized the raising of double-sized armies by the consuls Varro and Aemilius Paullus, a force of 86,000 men, the largest in Roman history up to that point. The consuls Aemilius Paullus and Varro resolved to confront Hannibal and marched southward to Apulia. After a two-day march, they
Socii to raise a double-strength army of four legions and four "alae" e.g. at the Battle of Cannae in 216 BC, where each Consul commanded an army of about 40,000 men. Polybius states that the Romans and their allies could draw on a grand total of 770,000 men fit to bear arms (of which 70,000 met the property requirement for cavalry) in 225 BC, shortly before the start of the Second Punic War. The Romans reportedly asked their allies for an urgent register of all "men fit to bear arms" for a "tumultus Gallicus". Polybius' subtotals, however, are garbled, as he