He assaulted Attack the city and was repulsed Defending several times before being routed and encircled , and so forced to accept Agree_or_refuse_to_act a treaty , negotiated by a young Tiberius Gracchus .

Tiberius Gracchus was present Presence as a quaestor during Mancinus 's failed siege .

Due to the reputation Gracchus 's father had with the Numantines , Tiberius was selected Choosing to negotiate Communication the treaty .

Gracchus had instructed Request his colleague , L. Postumius Albinus , who was on his way to Further Spain , to inform Telling Q. Fulvius that he was to bring Bringing his army to Tarraco , where he intended to disband Dispersal the old soldiers , incorporate Cause_to_be_included the reinforcements Cause_change_of_strength into the various corps and reorganise Reforming_a_system the whole army .