Identify which factor supported both Axum and the Swahili city-states in trading with other nations.

A. location

Both Axum and the Swahili city-states were strategically located along important trade routes, which facilitated their trading relationships with other nations. Axum was positioned near the Red Sea, connecting trade between Africa, the Middle East, and beyond, while the Swahili city-states were along the East African coast, which enabled maritime trade with traders from the Indian Ocean.