Which of these conclusions can be reached based on a study of the han and roman empires?

Assuming that this is referring to the same list of options that was posted before with this question, the correct response would be the one having to do with the Roman empire being more diverse, since the Romans were more of a trading society than the Chinese at this time. 

Ineed more to the question

It covered the territory of land across eurasia from northeastern europe to the pacific ocean.