The British policy.

And he returned to his country. He equipped that delegation with gifts and presents, and sent with the delegation people from the scholars and the learned, who wrote him detailed reports and laid the plans for the opening of Sudan. In the year 1820, he sent his son, Prince Ismail, at the head of a large army, equipped with gifts, and instructed him to enter the country into his obedience without war. He sent with him a delegation of scholars who guided the people and prepared them for this obedience. Ismail succeeded greatly in bringing the land of Nubia into submission without fighting, and nothing happened in it except the revolt of Hassan Wardi Al-Kashif, which is worth mentioning from the year 1822, after he submitted to the prince who appointed him over the land of Sukkot between Halfa and Dongola. His slaves sent him to kill some of the Egyptian army officers and barricaded himself in a fort there. A force from Egypt besieged him in the fort and blew it up with gunpowder.

The rulers and leaders of those lands presented themselves to Prince Ismail, pleading for mercy. When he reached Kori, he found before him three kings of the Shaqqiyya who intended to fight him, but he defeated them and continued his journey, receiving the obedience of the chiefs and appointing them over their lands, and reinforcing his army with a force of his men. That Sudanese force was the first nucleus of the Sudanese army that Prince Ismail formed, and it remained a part of the Egyptian army to this day. In 1821, Prince Ismail reached Khartoum, and he had sent to King Badi, King of Sinnar, inviting him to obedience. He replied that the people who fled from Egypt had brought him six cannons, which they took with them. So Prince Ismail marched towards Sinnar, and before he reached it, the king submitted to him. He entered the capital on October 10, 1821, and announced a general amnesty.

Thus, the country was conquered, and the number of inhabitants, livestock, houses, and cattle was counted to benefit from the resources of Sudan in every way. When Ibrahim Pasha reached Khartoum, he sent his son.