The rise of early river valley civilizations was caused by which aspect of the neolithic revolution?

a. the rise of more warlike cultures
b. the ability to move from place to place
c. the formation of permanent settlements
d. the equal treatment of all people

The correct answer is C. The formation of permanent settlements.

Explanation

The Neolithic revolution refers to the period of time that implied changes in society that made agriculture the main economic activity of human groups. Among these changes, one of the most important was the end of nomadism, because during this revolution human communities stopped moving and instead settle in a single place to live, build homes and grew plants to meet their basic needs. Many of these communities develop next to rivers, including the River Valley Civilization. Many of these communities develop next to rivers, including many of the river valley civilizations such as Mesopotamia or Ancient Egypt because living near to the river allowed people to have constant access to a source of water for their needs, and also this made the soil fertile for agricultural activity. So, the correct answer is C. The formation of permanent settlements.

b is correct

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