The River Valley Civilizations were the first civilization that developed, and they all developed in the valleys of large rivers.
Explanation:
The River Valley Civilizations are ancient civilizations which are considered to be the first ones that developed. They all developed in the valleys of large rivers. There are four civilizations that all into this category:
The reasons as to why these civilizations emerged and prospered in the valleys of the large rivers were that the rivers provided highly fertile deposits for agriculture, steady supply of water for drinking, and steady supply of water for irrigation. The humans managed to solve their primary concern in these river valleys, that being the food supply. Once the food was produced in sufficient amount, or even more, the people had much more spare time and they started to engage into other activities, which in turn prompted the development of the scientific fields, economy, politics etc.
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