How Did Some Emperors Lessen the Power of the Hereditary

Multiple Choice

How did some emperors lessen the power of the hereditary aristocracy?

A) They sent them to the north to form a border guard against the nomadic tribes.
B) They confiscated their estates if they did not swear loyalty directly to him.
C) They granted more power in the military and bureaucracy to the palace eunuchs.
D) They increased the number and power of scholar officials in the government bureaucracy.