The Samhar: How the Beja Became the Red Sea’s First Geopolitical Gatekeepers
TL;DR:
The 8th-century alliance between the Samhar Beja and the Umayyad Caliphate created a "coastal cork" that effectively landlocked the Aksumite Empire. This strategic realignment turned nomadic tribes into the primary terrestrial guardians of Islamic maritime assets, fundamentally shifting the power balance of the Horn of Africa.
