Which statement best describes the impact of farming on the rise of the first river valley civilizations? a Powerful rulers ensl
aved their own subjects. b People learned how to make fires, use animal hides, and make tools made of stone, bone, and wood. c High crop yields on fertile floodplains permitted more people to pursue non-farming activities. d People stopped conducting warfare on neighboring groups.
Answer: C. High crop yields on fertile floodplains permitted more people to pursue non-farming activities. d People stopped conducting warfare on neighboring groups.
