Centralizing power required abolishing tax farming and massacring the Mamluks
Evidence
By the time Mehmed Ali started to found this army in 1820 he had already been occupying the prestigious and lucrative post of governor of Egypt on behalf of the Ottoman Sultan for fifteen years. During this long period he had managed to tighten Cairo’s control over the provinces by fighting corruption in the local bureaucracy, by conducting a cadastral survey (1813–14) that was crucial in abolishing the tax farming system (iltizām) and in the cancellation of the immunities on agricultural land belonging to mosques and pious foundations (awqāf), and, most importantly, by getting rid in the infamous Massacre of the Citadel (1811) of the power of the military landlords, the Mamluks, who had been in effective control of the province for centuries in spite of Ottoman legal suzerainty. — Khaled Fahmy, All the Pasha_s Men_ Mehmed Ali, his…, 41