How Was the Shadow Principal Applied to the Government Bureaucracy

Multiple Choice

How was the shadow principal applied to the government bureaucracy?

A) It was an intellectual movement to restore good government.
B) It allowed for the creation of an imperial university.
C) The bureaucrats had to be knowledgeable in Confucianism and Legalism.
D) Recommendation was the only recruitment tool.
E) High officials had sons and grandsons automatically appointed to office.