What was the main reason for the kingdom of axum's success and growth?

Its great port and commerce, was also in the middle of the truck of the Roman Empire and India

Explanation:

The Kingdom of Aksum was an important merchant kingdom of northeastern Africa between the 1st century AD. C. and VII d. C. which expanded from the mountains of the current Tigray region to cover much of northern northern Ethiopia, certain border regions of Sudan, most of Eritrea and part of the western coast of the Arabian peninsula. He actively participated in trade between India and the Mediterranean world and served as a meeting point between the Indian subcontinent and the Roman Empire. With the fall of Rome and the expansion of Islam, the kingdom, which had adopted the Christian religion, was isolated and declined.

detente translated to english means politics