Which do you think is more reliable – a secondary source or a primary source?

I think it depends on the question, but primary source is probably more reliable because it would be the original document. For example a diary of documented events from an explorer for example would be more reliable then a website about it. Have a nice rest of your day :)

the han greatly expands the chinese empire. the han dynasty retains the centralized bureaucracy and unified political system of the qin but adopts and grafts upon this the confucian view that government should be run by educated, ethical men.

explanation:

the answer to your question is true