The correct answers are:
A. both were commercial and trade centers;
C. both utilized the trans-Saharan trade;
The Kush Empire and the Axum Empire were very much alike, and that should not be weird at all, considering the fact that Axum is in lot of ways the successor of Kush.
Both empires were commercial and trade centers. They had nicely developed ports, and were engaged in lot of trade, both on land and through sea. These two empires had excellent locations, so they were able to trade things between the sub-Saharan regions, North Africa, and Southwestern Asia, which made them very powerful and wealthy.
