Answer:
The Tang dynasty gave land to the peasants and broke up large estates to reduce their owners' powers, restored the civil service exam to recruit officials, and brought peace to northwest China and expanded control into the area north of the Himalaya
Explanation:
Appointed city officials are appointed for positions like police and fire chiefs and sanitation managers. These officials are lower than council members. They make sure that city policies are followed within their respective departments. They also advise regarding changes in policy for their respective departments. They are also involved in hiring and firing employees in the departments.