Battle of Cannae men and equipment, and a second massive defeat later that same year at Silva Litana, the Romans refused to surrender to Hannibal. His offer to ransom survivors was brusquely refused. With grim determination the Romans fought for 14 more years until they achieved victory at the Battle of Zama. Although for most of the following decades the battle was seen solely as a major Roman disaster, by modern times Cannae acquired a mythic quality, and is often used as an example of the perfect defeat of an enemy army. It was studied by German strategists prior to World War II,
Early Middle Ages had broken down, and the Roman army comprised mainly barbarians and soldiers recruited for a single campaign. The general decline in discipline also led to the use of smaller shields and lighter weaponry. Not wanting to share the glory, Eastern Emperor Valens ordered an attack on the Therving infantry under Fritigern without waiting for Western Emperor Gratian, who was on the way with reinforcements. While the Romans were fully engaged, the Greuthung cavalry arrived. Only one-third of the Roman army managed to escape. This represented the most shattering defeat that the Romans had suffered since the Battle of Cannae (216