Arguably it became a agrarian society
Answer:
Human habitation of Mumbai existed since the Stone Age, the Kolis and Aagri (a Marathi fishing community) were the earliest known settlers of the islands. The Maurya Empire gained control of the islands during the 3rd century BCE and transformed it into a centre of Buddhist culture and religion.
I think that maybe people are saying different answers because there might have been many such laws. I will mention one example: the Diversity Visa Immigration: it means that people from Eastern Europe have a higher change of obtaining a visa due to a smaller population in the US than the western European Countries.