Why did the nomadic era of human history come to an end

People eventually learned how to practice agriculture and also learned how to domesticate wild animals. They no longer had to be hunter/gathers or follow the animals around that they used for food. Farming and Domestication of animals allowed nomadic groups to settle in one place and invest resources there.

Answer mauritania is in the northwestern part of african, meaning its in the western hemisphere, and how do i know/ the map showed me so; ///: )

Answerkolkata;