This was better in some respects than if the mercenaries had been foreigners.
Only where the cities were held by garrisons in the Persian service, garrisons composed mainly of Greek mercenaries, was the liberator likely to meet with any resistance.
With 15,000 mercenaries, whom he had to train into Roman discipline, he took Carthage, defeated Gelimer the Vandal king, and carried him captive, in 534, to grace the first triumph witnessed in Constantinople.
At the same time John Casimir, brother of the elector palatine, at the invitation of the Calvinist party and with the secret financial aid of Queen Elizabeth, entered the country at the head of a body of German mercenaries from the east.
It must further be noticed that the rise of mercenaries was synchronous with a change in the nature of Italian despotism.