Question

which is one way that the neolithic revolution contributed to the development of ancient river valley civilizations? a. river valley civilizations grew because people needed to defend themselves from growing groups of nomadic warriors. b. as people moved from place to place hunting animals and gathering wild plants, they built small cities at each place they stopped. c. as humans developed agriculture, they were able to stop following herds of animals and build towns and cities. d. river valley civilizations grew as people gathered to trade the animals they hunted and wild plants they gathered.

Explanation:

The Neolithic Revolution was characterized by the development of agriculture. This allowed humans to transition from a nomadic lifestyle (following herds) to a settled - one, building towns and cities, which was a key factor in the development of river - valley civilizations. Option A is about defense against nomadic warriors which is not the main contribution of the Neolithic Revolution. Option B describes a nomadic lifestyle and building small cities during movement which is not related to the Neolithic Revolution's key impact. Option D focuses on trading hunted animals and gathered plants, not the shift to agriculture which was central to the Neolithic Revolution.

Answer:

C. As humans developed agriculture, they were able to stop following herds of animals and build towns and cities.