Which of the following factors was key to the formation of the first civilization in the Nile Valley? A: Nomads acquired more livestock to increase their wealth. B: The region experienced a surplus of food. C: Artists created art to pass on to future generations. D: Farmers lived near a river that never flooded.
B: The region experienced a surplus of food. - the best answer. Nile Valley was located near river Nile in Egypt. It was a flood plain defined like a heaven for farmers. There were perfect conditions for people to grow food and obtain water. The river was flooding created conditions to live like that.
The correct answer is B :D hope this helps