A. Western side
B. Northern side
C. Eastern side
D. None of these
Explanation:
Khalifa Harun-al-Rashid (786-809 AD) was able to extend the frontiers of Sindh on its western side. For nearly two hundred years since its conquest by Muhammad Bin Qasim, Sindh remained an integral part of the Umayyad and the Abbasid caliphates.