The decision of the Amir of Darfur, Muhammad al-Fadl, to march on Kordofan, and his subsequent actions, were influenced by the desire to consolidate his power and expand his territory. He sought to assert his authority over the region and to secure his borders against potential threats. His military campaigns were aimed at achieving these objectives, and he employed a combination of diplomacy and force to achieve his goals. The Amir's actions were also shaped by the complex political landscape of the time, which involved various tribal factions and external powers.