Gao appears in the passage as an early West African center connected to North African commercial networks. Between 776 and 783, it maintained commercial relations with Tahert, the capital associated with the Rustumid imams. These exchanges placed Gao within a wider system of movement linking the Niger region to the northern Sahara and the Maghrib.

The ruler of Gao claimed to be Muslim, a detail that illustrates the selective and politically situated character of early Islamization. The passage does not present this claim as proof that the wider population had adopted Islam. Instead, Gao exemplifies a setting in which a ruler’s religious identity and commercial diplomacy could precede broader social transformation.

Gao’s importance lies in the connection between political authority and commerce. Its relationship with Tahert demonstrates that Muslim expansion southward could proceed through trade and diplomatic contact without requiring immediate conquest. The city therefore belongs to the early history of Islamic networks across the Sahara and Sahel.

Gao occupied an important position in the Sahelian systems linking the Inland Niger Delta, the gold trade, and routes leading northward. By the fourth/tenth century, its princes were already Muslim, placing Gao among the established Islamic centers that preceded the major Almoravid expansion.

The city also maintained connections that may have reached Almoravid Spain by the end of the fifth/eleventh century. These links are difficult to interpret, but the discovery of royal funerary steles in the Gao-Sané necropolis offers material evidence for the presence of Muslim monarchs and for the participation of Gao in wider Islamic networks.

The two earliest steles may have been carved from Spanish marble. They commemorate rulers who were undoubtedly Muslim and probably Sunnite, yet little else is securely known about their reigns, institutions, or relations with neighboring polities.