Answer:
C. wars with neighboring kingdoms designed to consolidate Han power.
Explanation:
The Han dynasty was a period between 206BC to 220AD. The expansion of China during the Hans dynasty was as a result of series of military campaigns and cultural assimilation. The expansion stated during the Qin dynasty but reached its peak during the Han dynasty.
It was important so they can trade with others and get the stuff they need like cotton, gold, clothing and a lot more :)
I agree because if no one had a reason as to why they did the idea, how would we have known how to do it ourselves.