What classical empire based their bureaucracy on confucian ideals?

In China,the Tang (618 - 907 A.D.) and the Song Dynasties based their bureaucracies on Confucian ideals (960 - 1279 A.D.) as a way of strengthening ethics thus ruling out corruption in civil service. In order to achieve this, every candidate aspiring to a job position in the government had  to pass difficult tests on Confucianism.

1.the population change is near or at replacement level.

4. the birth and death rates are balanced.

6. sweden is most likely a developed country.

answer; i believe its (cpr);