Which statement best describes the impact of farming on the rise of the first river valley civilizations?

High crop yields on fertile flood plains permitted more people to pursue non-farming activities

Explanation:

The developmentof farming in the first river valley civilizations (Ancient Egypt, Mesopotamia, India and China) led to the development of more complex economies, where some people could puruse non-farming activiest, although the vast majority of people continued to be farmers.

Among these who practiced non-farming activities were: professional soldieres, accountants, merchants, priests, and politicians.

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