Strategically, and tactically, Charles probably made the best decision he could in waiting until his enemies least expected him to intervene, and then marching by stealth to catch them by surprise at a battlefield of his choosing. Probably he and his own men did not realize the seriousness of the battle they had fought, as one historian put it: "few battles are remembered over 1,000 years after they are fought, but the Battle of Poitiers is an exception ... Charles Martel turned back a Muslim raid that had it been allowed to continue, might have conquered Gaul." Roger Collins disputes interpretations of ever-expanding Umayyad forces, reminding their internal cohesion problems and the capture of Autun in 725, when the Burgundian stronghold was captured and sacked, then just abandoned by Anbasa's raiding forces.