Siege of Khartoum was given a credit of £100,000 and was promised by the British and Egyptian authorities "all support and cooperation in their power.". On his way to Khartoum with his assistant, Colonel Stewart, Gordon stopped in Berber to address an assembly of tribal chiefs. Here he committed a cardinal mistake by revealing that the Egyptian government wished to withdraw from Sudan. The tribesmen became worried by this news, and their loyalty wavered. Gordon arrived at Khartoum on 18 February 1884, but instead of organising the evacuation of the garrisons, set about administering the city. His first decisions were to reduce the
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