Answer:
D.) religious persecution
Explanation:
hope this helps girly
The god worshiped by everyone during the Shang dynasty was Shang Ti, the "lord on high." Shang Ti was believed to be the link between people and heavenly beings. The souls of ancestors, it was thought, visited with Shang Ti and received their instructions from him. It was therefore very important to make sure that Shang Ti was happy. This was done with various rituals and prayers, offerings, and sometimes even human sacrifices. Hope this answer help you.
The Neolithic Revolution—also referred to as the Agricultural Revolution—is thought to have begun about 12,000 years ago. It coincided with the end of the last ice age and the beginning of the current geological epoch, the Holocene.
Serfdom was different as in they didnt beat them, slaves got treated badly as we all know, but a serfdom is more like a peasant meaning he works and may get paid and live in the mansion with his master.