I think the answer is D, I could be wrong though
<span>The changes in agriculture in the Shang dynasty contributed to higher production levels. This in turn led to trade, settling and high birth rates. Thus, they became more organized which facilitated to other developments like writing.</span>
In Meso American civilizations, enslaved persons were often enslaved as punishment for crimes.
Option: B
Explanation:
In Meso American civilization there was a trend of making slaves since the ages. From the bank of Mississippi river and other places of Georgia and tribal states many people forced to come in the new state as a slaves. But the movement is within the continent not from other continents.
Enslaved persons were often enslaved for their crimes as punishment not for their race. And they also not required to pledge loyalty to a leader. When they do any crime its their punishment to be enslaved in that continent.
The Himalayas and The Huang He River.
