You must know what the Han dynasty is and the definition of those words.
Next, these citizens would need safety.
According to Maslow's hierarchy of needs, the need following the physiological needs (food, drinks, bodily needs) is safety. Given that these people have been taken care of in terms of their physiological needs, their safety would be the need to follow. It is then followed by love/belonging, esteem, and self-actualization in the end.
I believe the answer is: Plurality system
In the plurality system, the voters are only allowed to choose for one candidate and the winners would be determined by counting who obtain the most votes compared to the other counterparts.
Currently, plurality system is the most adopted system in the world, which is used by almost all countries who use democratic principle in the government.