Which of the following best summarizes the impact of the neolithic revolution on the creation of river valley civilizations? a. it encouraged people to move to a new piece of land at the start of each planting season. b. it gave people more time to hunt animals and gather wild plants for food. c. it allowed people to live in one place year-round, which led to stability and population growth. d. it encouraged people to begin living near rivers to fish for their food

The correct answer is C) it allowed people to live in one place year-around which led to stability and population growth.

The sentence that best summarizes the impact of the Neolithic Revolution on the creation of river valley civilizations is: It allowed people to live in one place year-around which led to stability and population growth.  

Neolithic Revolution was an important step in the evolution of humanity. It allowed humans to settle in one place permanently. Farming was an important reason for settling in one place and let people prosper there. After being nomads, humans established in one place permanently and created valley river civilizations. Examples of these civilizations that settled in fertile valleys were the people from Mesopotamia, Egypt, and the Indus Valley.  

d: social contract theory