To what extent have international treaties affected the development of international business law?

To what extent have international treaties affected the development of international business law?
examples below of how IL effects business organisations if you choose environmental – ANGLO-IRANIAN OIL CO CASE (UK V IRAN) YOU CAN TALK ABOUT WHALE HUNTING IN JAPAN, AND HOW DESPITE EFFORTS WITH THE ICJ TO CONDEMN THEIR ACTIONS THE ICJ IS A NON BINDING LAW AND CANNOT BE ENFORCED i will upload slides now