Generally, the 'seat of the caliphate' state has a very unfavorable environment for natural and mineral resources; and that have made its an off limits region.
Sometimes those proxies fulfill American policy objectives, such as the Kurdish People's Protection Units, or YPG, which helped the U.S. defeat the Islamic state caliphate in 2019.
The Fatimid Caliphate established it as a center of Islamic study in 970 or 972, and its students studied the Qur'an and Islamic law in depth, as well as logic, grammar, rhetoric, and how to calculate the phases of the moon.
This was before a shocking revelation by the state governor, Abubakar Sani Bello that Boko Haram insurgents have infiltrated the state, hoisting their flag in Kaure in Munya LGA, an indication that they have declared a caliphate in the area.