The increase in revenue allowed the emperor to pay soldiers a higher wage as opposed to the barbarian and Isaurian mercenaries which some previous emperors had been forced to rely on .
A higher wage attracted native Roman soldiers to the military .
The increase in revenue allowed the emperor to pay soldiers a higher wage , which attracted native Roman soldiers to the military , as opposed to the barbarian and Isaurian mercenaries which some previous emperors had been forced to rely on .