Answer:
American farmer have supported the Populist Movement because the populists were in favor of "free silver," which would improve the economic outlook for small farmers.
I believe the answer your looking for is B. Slaves
Hope this helped
The Neolithic revolution represents the transition from nomadic hunters and gatherers to settled societies, which practiced agriculture and farming.
This revolution enabled the development of the first civilizations; people started settling and building villages, but they needed a reliable source of water (year round) in order to maintain their crops, and feed the animals they also started to domesticate; most of these civilizations were stablished near rivers or lakes because of that.
The Yellow (or Yangtze) River provided that much needed water for the earliest chinese civilizations.
