Answer:
Ancient Egypt was incredibly lucky, but it used that luck masterfully.
It was Herodotus who said:
“Egypt is the gift of the Nile",
Every year in Egypt, the Nile overflows and creates a rich valley of black soil that is abundantly fertile. This fertility was central to Egyptian civilization.
After hurricane Katrina, many minorities were prevented from moving into particular neighborhoods due to newly established laws about property ownership. these laws were found to be discriminatory because they excluded certain groups of people from the opportunity to choose where to live—an opportunity that was granted to others. The term discrimination denotes treating someone unfavourably because of a some characteristics or believes.
Answer: the Sahara along Ibn Battuta's route.