Archaeologists and historians have determined that ancient Nubia had a rich trade relationship with ancient Egypt. Which answer provides the best evidence of this?
A.
Many Egyptian artifacts were made of goods that came from Nubia.
B.
The ruler of Nubia was called a pharaoh, just like the ruler of Egypt.
C.
Egypt and Nubia usually allied together to conquer their enemies.
D.
Nubia and Egypt both had contact with many different cultural groups.