Here is an independent practice worksheet on the Kingdom of Aksum, which was located in the north of present-day Ethiopia. If you teach social studies, and particularly global studies, or world history, of whatever your school or district calls the history of global civilizations, than you are no doubt aware of the importance of Aksum.
This is really something, I think, kids ought to know.
If you find typos in this document, I would appreciate a notification. And, as always, if you find this material useful in your practice, I would be grateful to hear what you think of it. I seek your peer review.