Answer:
1.) Although Han China and Gupta India were politically stable, Han China's developing bureaucracy was centralized, while Gupta India was much more regionalized. Han China and Gupta India both featured extensive internal trade; however Gupta India was more involved with trade.
2.) Both Rome and Qin were militaristic states. Both were able to develop thanks to being shielded by their geographical position from the great powers in the east. Eventually they were able to gain hegemonic power over a large sector of the ecumene, Italy for Rome and Sichuan for Qin.