The early Islamic empire expanded using three methods. These methods included military conquest, political means, and financial incentives. First, the Islamic empire expanded through military force. According to the document A: battle of Yarmuck, the battle was fierce and bloody. 24,000 Muslims took part and 70,000 Greeks were put to death. Next, political means were used to expand the empire. For example, the Muslims were in power because they were telling others what to do. Finally, financial incentives expanded the empire. The Muslim s used gifts called stipends to pay and bribe soldiers to fight for them. If there directions were not followed they wouldn’t receive money. These three methods helped to expand the Islamic