<span>to support U.S. trade goals by helping to preserve China as a nation
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Answer:
Some people think they just simply left, but I doubt that since they left everything their, and why would they leave a perfectly good home?
The economic stability that lead to the neolithic revolution was: C. Political systems
Economic stability lead to a situation when people no longer wanted to use violence toward one another when they want to obtain a certain type of resources. This is why a political system to create a regulator was made during the neolithic revolution.