One of the main reasons for the decline of the kingdom of axum was a shift in trade routes to the arabian peninsula and persian gulf. assimilation by romans. competing farming with yam producing madagascar. warfare with berbers. desiccation of the sahara.
One of the principle purposes behind the decay of the kingdom of Axum was a move in exchange courses to the Arabian landmass and Persian bay. The Axumites raised various grand stelae, which filled a religious need in pre-Christian circumstances. One of these rock segments is the biggest such structure on the planet, remaining at 90 feet.