Respuesta :
It's number 4 because the point of dikes, and reservoirs in Egypt was to control the flooding to get the most out their agriculture, and to have nutrient rich water for when the river was entirely flooding.
The primary reason why they built the levees and reservoir was to improve agricultural production.
The Nile river was situated in the Fertile Crescent which was used to describe a region in the Middle East and was an ancient home to old civilizations.
The Nile river also serves as transport route for the Ancient people in Ancient Egypt.
Therefore, the ancient people built the levees and reservoir to facilitate storage of water for agricultural purpose such as artificial irrigation.
Therefore, in conclusion, the Option 4 is correct.
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