Public International Law differs fundamentally from domestic law because it lacks a central legislative or executive authority. It is built on the principle of , meaning every state is theoretically equal regardless of its size or power. Primary Sources of Law

Also known as the "Law of Armed Conflict," IHL regulates the conduct of war. Its goal is to limit suffering by protecting civilians and those no longer fighting (prisoners of war). 3. International Environmental Law

Economic or trade restrictions imposed by the UN Security Council.