Which of the Following Best Describes the Role of Bureaucracy

Which of the following best describes the role of bureaucracy in ancient Sumer?

A) Bureaucracy was an inefficient form of governance that often greatly weakened the authority of Sumerian kings.
B) Sumerians used bureaucrats sparingly and preferred to rule as directly as possible.
C) The use of bureaucrats enabled Sumerian kings to extend their rule over a much larger territory than they could manage alone.
D) Sumerian subjects often transferred their loyalty to the king to local bureaucrats and thereby greatly weakened the power of the supreme ruler.