 This acquisition of land in southern France was supported by the increased social chaos that seemingly developed during the Civil War years.This was most apparent in Provence, where local magnates, like Abbo of Provence, were incredibly supportive of Charles attempts to reinstated Frankish power.In 739, he used his power in Burgundy and Aquitaine to lead an attack with his brother Childebrand I against Arab invaders and Duke Maurontus whom had been claiming independence and allying himself with Muslim emir Abd ar-Rahman.