Most likely because it has fertile soil. The others don’t make sense.
Explanation:
Agricultural area is typically land devoted to agriculture, the systematic and controlled use of other forms of life. Particularly the rearing of livestock and production of crops to produce food for humans.
Hope this helped!
Dr luceros team used looters trenches rather than dig new ones because they wanted to protect the site from further damage. This is because to prevent further destructions from their activity.
Assuming that you're referring to the villages in the Sahel during the era of Sahelian Kingdoms, a lot of them settled on the edge of Sahara, on its southern border to be precise. The southern border of Sahara is filled with forests and have enough resource to sustain their living. But they cant go any further because they were hindred by the Ashanthis and Yoruba