A0 why did axum become a key trading center for three continents?

b. how did trade encourage a blending of cultures in east african city-states such as kilwa, mombasa, and mogadishu?

The kingdom was rich in gold and other minerals such as iron, following the decline of Meroe. In addition, the kingdom naval power necessitated it to offer ferry services for goods to and from Rome and India. the kingdom more also had a very good harbor at Idris.

B. international trade along the east africa coast led to intermarriages, introduction of new products, money economy, architecture and rise of new people such as the Swahili