Answer: C. Monarchy
Explanation: Mesopotamia, the ancient empire on the land of Asia, was devoted to the system of the kingdom, that is, the monarchy ruled by the king, the emperor. There was a system of clergy, with the proclamation of zoroastrianism mainly, and the priests were often advisers of kings and emperors. In ancient Greece, most of the city-states were ruled by kings. Athens was an exception that developed democracy at some point.
