 Complete the following phrase:  Sicily remained firmly in Roman hands, blocking the ready seaborne reinforcement and resupply of Hannibal from Carthage. Hiero II, the old tyrant of Syracuse of forty-five-years standing and a staunch Roman ally, died in 215BC and his successor Hieronymus was discontented with his situation. Hannibal negotiated a treaty whereby Syracuse came over to Carthage, at the price of making the whole of Sicily a Syracusan possession. The Syracusan army proved no match for the Romans, and by spring 213BC 