British Army during the Victorian Era dependency, the Sudan. There were some bloody battles near the Red Sea port of Suakin as the British tried to redeem earlier Egyptian defeats. General Charles George Gordon was originally sent to superintend a withdrawal but chose instead to defend Khartoum against the Mahdi Muhammad Ahmed. After a prolonged siege, the Egyptian defenders of Khartoum were overwhelmed and Gordon was killed. A British relief expedition by camel across the deserts of northern Sudan arrived two days too late. Several years later, having rebuilt an Egyptian army (including British and many Sudanese troops) and constructed railways and fleets of Nile steamboats
Khartoum Bridge (finished in October 2007) and the Tuti Bridge that links Khartoum to Tuti Island. In the 21st century, Khartoum developed based on Sudan's oil wealth (although the independence of South Sudan in 2011 affected the economy of Sudan negatively). The center of the city has tree-lined streets. Khartoum has the highest concentration of economic activity in the country. This has changed as major economic developments take place in other parts of the country, like oil exploration in the South, the Giad Industrial Complex in Al Jazirah state and White Nile Sugar Project in Central Sudan, and the Merowe Dam