Rulers of Axum gained power and wealth by

A. Constructing churches
B. Adopting Christianity
C. Building monuments such as stelae
D. Controlling trade routes

D. Controlling trade routes

D. Controlling trade routes

The rulers of Axum gained power and wealth primarily by controlling trade routes. Axum was strategically located along the trade routes connecting the Red Sea to the interior of Africa. This allowed them to control and tax the trade between the Mediterranean world and the African interior, making them prosperous.

The rulers of Axum gained power and wealth by controlling trade routes. To find this answer, we can use a few research methods:

1. Refer to historical sources: Consult reputable historical texts or academic articles that discuss the history of Axum. These sources will likely provide information on how the rulers of Axum gained power and wealth.

2. Conduct online research: Use search engines to look for reliable websites or articles that discuss the history of Axum. Make sure to use reputable sources to get accurate information.

3. Visit a library: Go to a local library and search for books or journals specifically focused on the history of Axum. Librarians can also help guide you to relevant resources.

4. Consult an expert: Reach out to historians, archaeologists, or experts in Ethiopian history for more information. They can provide deep insights into the subject and direct you to reputable sources.

By using these research methods, you will be able to find information that points you to the correct answer. In this case, the correct answer is D. Controlling trade routes. The rulers of Axum accumulated power and wealth by dominating the trade networks, especially those that connected the Red Sea, the Mediterranean, and the Indian Ocean.