Gordon's earlier reputation in China contrasts with his choices at Khartoum. He had orders to withdraw but instead held the city without sufficient troops. He also failed to secure the riverside while depending on the Nile for protection and relief. Control of a river corridor required defended banks and sound command decisions as well as access to steam transport.
Notable Point · 1:45:23-1:46:05
Gordon leaves Khartoum's river flank unsecured
Gordon's decision to remain at Khartoum without enough troops or a properly secured riverside turned the Nile from a supply route into a strategic vulnerability.