Without the Rigidity of the Qin Dynasty,how Was the Han

Without the rigidity of the Qin dynasty,how was the Han emperor able to control his vast empire?

A) By subdividing the empire into small military precincts under the control of a Han general. 
B) By massive movements of people outside their homeland to avoid collective rebellions.
C) By severe punishments of whole populations for the infractions of any few.
D) By arranging marriages between the Han court and courts of other regions inside the empire.
E) By subdividing half of the empire into independent kingdoms.