Thus almost every year between B.C. 218 and 201 had its share of religious ceremonial, and the Sibylline books, which had hitherto been, in theory at least, merely an alternative method of religious procedure permitted to exist alongside of the older and more conservative forms, became now the order of the day. Like a Homeric picture in which the quarrels of the gods in Olympus run parallel to the battles of Greeks and Trojans on the plains of Troy, so every victory which Rome won over Hannibal on the field of battle was bought at the price of a victory of Greek gods over Roman gods in the field of religion; and further, although Rome succeeded in keeping Hannibal outside of her own walls, her gods did not succeed in defending the pomerium against the Greek gods, and it is during this Second Punic War that this, the greatest safeguard of old Roman religion and customs, was broken down, and the new gods gained entire possession of the city, placing their temples on the spots hitherto held most sacred. From now on all distinction ceases, and it is scarcely possible to speak of a Roman in contrast to a Graeco-Roman cult. It is important however to observe that this breakdown occurred because of excess of religious zeal rather than through neglect and indifference, and though we may indeed notice a gradual deterioration of the deities introduced by the books, all the way down from the busy working gods like Ceres and Mercury and Neptune to the more miraculous Aesculapius, and the cult of Dis or Proserpina with its possibilities of weird fantastic worship, there have been however as yet only scanty traces of the orgiastic element. But this was the next step, and it was not long in coming. The rapid campaigns of the earlier years of the war with Hannibal had passed, Cannae (B.C. 216) had been somewhat retrieved by Metaurus (B.C. 207), where the reinforcements for Hannibal, led by Hasdrubal,