What did the british do to try to modernize sudan

British forces invaded and occupied Egypt in 1882 to put down a nationalist revolution hostile to foreign interests and remained there to prevent any further threat to the khedive’s government or the possible intervention of another European power.

The consequences of this were far-reaching. A permanent British occupation of Egypt required the inviolability of the Nile waters—without which Egypt could not survive—not from any African state, which did not possess the technical resources to interfere with it, but from rival European powers, which could Consequently, the British government, by diplomacy and military maneuvers, negotiated agreements with the Italians and the Germans to keep them out of the Nile valley.
They were less successful with the French, who wanted them to withdraw from Egypt.