sentences:  When the army assembled in the summer of 218 BC, Hannibal stationed 15,000 soldiers and 21 elephants in Carthaginian controlled Iberia under Hasdrubal Barca, and sent 20,000 soldiers to Africa, with 4,000 garrisoning Carthage itself.The army that marched for Italy from Cartagena is supposed to have numbered 90,000 foot and 12,000 cavalry, and 37 elephants.The elephants were reported by Appian; there is no mention of the elephants by Polybius or Livy, so it has been speculated that the elephants may have been carried to Emporiae by sea.