Compare and contrast Han China and post-classical China. Why was there so much continuity?

Compare and contrast Han China and post-classical China.  Why was there so much continuity?  What things changed?  Include examples.

Han China and post-classical China

The Han Dynasty formed into the most grounded and longest enduring Chinese Empire

in 206 B.C., continuing until 220 A.D. The administration was as efficient as the later Roman

Empire. Their legislature organized with power based on the rule, however, the sovereign

additionally set up an organization in which he chose many authorities to represent close to him

in view of their capacities rather than economic wellbeing.