In the 1970s during the Barcelona Traction case the ICJ decision noted both the lack of, and need for customary international law to govern the global activities of corporations, what does SCOTUS’ ruling and opinions in Sosa v. Alverez-Machain tell us about how the body of international law on corporations has evolved?

International Criminal Law

In the 1970s during the Barcelona Traction case the ICJ decision noted both the lack of, and need for customary international law to govern the global activities of corporations, what does SCOTUS’ ruling and opinions in Sosa v. Alverez-Machain tell us about how the body of international law on corporations has evolved?