International Law includes the basic, classic concepts of law in national legal systems -- status, property, obligation, and tort law. It also includes substantive law, procedure, process and remedies. International Law is rooted in acceptance by the nation states which constitute the international system.

The following are major substantive fields of international law:

• International economic law

• International security law

• International criminal law

• International environmental law

• Diplomatic law

• International humanitarian law or law of war.

• International human rights law The correct answer is E.