The most important factor for the decline of the Aksumite power was

Answer 1

a combination of factors including climate change, economic decline, and invasions from neighboring kingdoms such as the Zagwe dynasty and later the Muslim forces from the Arabian Peninsula. The loss of control over trade routes, particularly the Red Sea trade, also contributed to the decline of the Aksumite power. Additionally, the adoption of Christianity as the state religion, while it brought cultural and religious unity, may have also weakened the traditional sources of power and authority.