What is the song dynasty accredited with improving in the government employment system

The Song Dynasty is accredited with improving the government employment by creating a bureaucratic system within government employment. The Song Dynasty built a strong centralized bureaucracy and regularized it. The important positions in government was given to them. The military governors and the people associated with them were replaced by the centrally appointed bureaucrats.

Explanation: i hope this helps sorry if it doesn't i tried my best :)

the hyksos invasion. the hyksos were able to attack egypt successfully because of their skills in using bronze weapons, composite bows and the use of the horse and chariot during the invasion. although the egyptians depict a barbarian-type overthrow, the truth is the seizure was likely a relatively peaceful one.