to those regions and then left some of them to establish this Arab-Islamic culture in those regions. Others continued their journey in the land of Al-Butana and Al-Jazeera, then crossed the Nile to Kordofan and Darfur, where they met other Arab groups who had followed the western bank of the Nile, where these settled in the rich plains of central Sudan. There are views that the Arab tribes who came to Sudan were not initially concerned with spreading Islam due to their preoccupation with pasture problems in their new homeland and their ignorance of deep Islamic principles, especially after their interaction with the local population was limited. The early Muslim pioneers devoted themselves to spreading the Islamic creed in its simplicity and tolerance, and the activity of Muslim callers expanded thereafter. The spread of the Islamic call and Arab-Islamic culture did not seem to be nominal in its initial stage. The men of the Arab tribes, all of whom were nomads and traders, who were characterized by deep Islamic religious culture and a lack of understanding of Islamic sciences. Hence, their winning over of the Copts and Christians was their main concern, as they focused on the general features of the Islamic religion without delving into the deep details of Islamic creed. However, despite the activity of the nomadic tribesmen and traders, this did not prevent some Muslim scholars from participating with these two groups, and they contributed to spreading the teachings of Islam and deepening its concepts. From here, Islamic influences mixed with local influences, and a local character of Islamic civilization emerged, as the spread of Islam among these peoples heralded its sudden emergence in the Islamic world and its adoption of a clear Islamic manifestation, after the increase of these pure Arab migrations that began to flow continuously into the country and spread widely in its vast plains in the east and west, where they settled and found a comfortable life. They mixed with the indigenous population and spread the Arabic language, the Dinka, the Arabs, Islam, and Arab culture in Sudan, leaving a clear, influential, and effective Arab stamp on Sudan. Even though local influences