slip into crisis. This was the result of economic and political changes which involved European powers, most importantly the British Empire. In 1869, the Suez Canal opened and quickly became Britain's economic lifeline to India and the Far East. To defend this waterway, Britain sought a greater role in Egyptian affairs. In 1873, the British government therefore supported a programme whereby an Anglo-French debt commission assumed responsibility for managing Egypt's fiscal affairs. This commission eventually forced Khedive Ismail to abdicate in favour of his more politically acceptable son, Tawfiq (1877–1892). After the removal of Ismail in 1877, who had appointed him to the post, Charles George Gordon resigned as governor general of Sudan in 1880. His successors lacked direction from Cairo and feared the political turmoil that had engulfed Egypt. As a result, they failed to continue the policies Gordon had put in place. The illegal slave trade revived, although not enough to satisfy the merchants whom Gordon had put out of business. The Sudanese army suffered from a lack of resources, and unemployed soldiers from disbanded units troubled garrison towns. Tax collectors arbitrarily increased taxation. Muhammad Ahmad In this troubled atmosphere, Muhammad Ahmad ibn as Sayyid Abd Allah, who combined personal charisma with a religious and political mission, emerged, determined to expel the Turks and restore Islam to its original purity. The son of a Dongola boatbuilder, Muhammad Ahmad had become the disciple of Muhammad ash Sharif, the head of the Sammaniyah Sufi order. Later, as a sheikh of the order, Muhammad Ahmad spent several years in seclusion and gained a reputation as a mystic and teacher. In 1881, Muhammad Ahmad proclaimed himself the Mahdi ("expected one"). Some of his most dedicated followers regarded him as directly inspired by Allah. He wanted Muslims to reclaim the Quran and hadith as the foundational sources of Islam, creating a just society. Specifically relating to Sudan, he claimed its poverty was a virtue and denounced worldly wealth and luxury. For Muhammad Ahmad, Egypt was an example of wealth leading to impious behavior. Muhammad Ahmad's calls for an uprising found great appeal among the poorest communities along the Nile, as it combined a nationalist, anti-Egyptian agenda with fundamentalist religious certainty. Even after the Mahdi proclaimed a jihad, or holy war, against the Egyptians, Khartoum dismissed him as a religious fanatic. The Egyptian government paid more attention when his religious zeal turned to denunciation