 He led at least 10,000 trained troopers at the end of the Soviet war and had expanded his political control of Tajik-dominated areas to Afghanistan's northeastern provinces under the Supervisory Council of the North.Roy also describes regional, ethnic and sectarian variations in mujahideen organization.In the Pashtun areas of the east, south and southwest, tribal structure, with its many rival sub-divisions, provided the basis for military organization and leadership.