Muslims discovered Heraclius’ plan at Shaizar through Roman prisoners. Boss mare shirt . Being wary of the ability to be captured and each individual force can be destroyed, Khalid asked to assemble a military council. There, he advised Abu Ubaidah to withdraw soldiers from Palestine and from northern and central Sysria and then gather all of the Rashidun army in one place. Abu Ubaidah ordered the concentration of troops in the vast plains near Jabiya, and also controlled the area and used as a place to use cavalry when possible and facilitated the arrival of reinforcements from Umar to have the most powerful force possible against the Byzantine army effectively. The location also has the advantage of being close to the Najd fortress of the Rashidun family in case it needs to retreat. The order has also been issued to return tribute to those who have already paid them.