 The army that marched for Italy from Cartagena is supposed to have numbered 90,000 foot and 12,000 cavalry, and 37 elephants.Hannibal divided his army into three columns before crossing the Ebro River, and attacked the Iberian tribes of Ilergetes, Bergusii and Ausetani in Catalonia.In a two-month-long campaign, Hannibal subdued parts of Catalonia between the Ebro, the Pyrenees and the Sicoris river in a swift, if costly campaign.