What step has oedipus already taken to deal with the problem?

(202 bc - 220 ad) dynasty started by lui bang; a great and long-lasting rule, it discarded the harsh policies of the qin dynasty and adopted confucian principles; han rulers chose officials who passed the civil service exams rather than birth; it was a time of prosperity

imma have to go   the third option

sorry if i am wrong hope this

if i am right plz give me brainliest