Answer:
C. Each one depended upon the other for trade items.
Step-by-step explanation:
The Kingdom of Kush was an ancient kingdom located in Nubia, at the Sudanese and southern Egyptian Nile Valley. The Kingdom of Kush and Ancient Egypt had a strong relationship and interdependence in many different ways. One of the most significant was the fact that the two traded extensively. Each one of these depended upon the other for trade items.