The fertile crescent was a major means of migration in ancient times because?

People wanted to migrate to the Fertile Crescent, because it had very good land for agricultural production. It gave them land to herd, breed, and domesticate animals, which they were just starting to do. Farming was also starting to become popular as a means of food and also in the economy. The Fertile Crescent gave them good land to farm and therefore a good place to settle down, rather than being nomadic.