Which of the Following Most Accurately Describes the Nature of Shang

Which of the following most accurately describes the nature of Shang government?

A) Shang monarchs ruled as despots aided only by a sizeable bureaucracy.
B) Shang government was essentially tribal with little social stratification or economic specialization.
C) The Shang government was based on city-states similar to those of Mesopotamia.
D) The Shang ruled through vassal retainers who received control over land and peasants in return for payment of tribute to the king.