Other regions integrated into Sudan, if the policy of integration among Sudanese tribes was one of the most important factors in spreading Islam to them. This is because the chief of the Ja'aliyyin tribe, Ibrahim, would incorporate into his tribe those who were not part of it. This may explain the steady growth of these Ja'aliyyin tribes until they became a large people composed of several numerous tribes. From here, the Sultanate of Taka played an important role in spreading Islam and Arab Islamic culture, as this Islamic province played its role in Islamic and political life in Sudan. It is located in the Taka Mountains south of Khor Abujabal, and its southern borders are at latitude 11 degrees North. As for its eastern and western borders, they are unknown, or rather, they are ill-defined borders and were not fixed borders. This Taka leadership includes a number of rocky hills locally called "Jibal," and the height of this group of rocks is estimated to be about five thousand feet above sea level. The mountains descend on the western side to flat land, while on the east, the descent is less than it is on the west. The plateau hill group is almost uneven in height and is known as the Northeast Jibal, reaching a height of about three thousand feet. The area known as the Sultanate of Taka is about forty square miles, and it includes the mountains on which are currently located Al-Jalal, Al-Qura, Al-Mahdi, Tas, Jubwa. About four centuries ago, or a little more, an Islamic religious leadership was established in Taka, headed by a religious scholar who entered the region from the Middle Nile Valley. This scholar was able to form a ruling family through