The correct answer is C) civilization developed in areas well suited for agriculture but relied on trade for everything else.
The best option that describes the location of the first river valley civilization is "civilization developed in areas well suited for agriculture but relied on trade for everything else."
The first ancient civilizations settled in places close or next to rivers for the many advantages this represented. These civilizations learned agriculture techniques during the Neolithic Revolution of Agriculture Revolution and could establish in one place. For instance, the Sumerians established between two important rivers in the Middle East: the Tigris and Euphrates. Another example is the Egyptians that established next to the Nile River.
