I believe it would be milestones
Answer: C
Explanation:
It was farther from the Germanic invasions of the western empire -it had access to trade routes which led to the growth of the empire- It straddled the continents of Europe and Asia -It was easily fortified on a peninsula with a natural harbor.
They searched for El Dorado one of the infamous cities in the andes.
Oracle bones were used during the Shang dynasty to predict the future. The bones were used to process fortune-telling. They were used by Shamans, religious consultants that collaborated with gods and mythical people. The Shamans used the bone's cracks to demonstrate patterns or blemishes to anticipate the future.