Answer:
The Qin and Han dynasties can be said to be similar on the grounds of the ideology they possessed of the unification of entire China under one rule. 
Explanation: 
- The two dynasties that ruled over China through two consecutive reigns one after the other bore the same ideology and that was of a united China. 
 
- The measures taken for the cultural unification of China by the Emperors of both these dynasties were identical to each other. 
 
- The Emperor's of both the dynasties strived hard for the integration of people belonging to various communities within China.