““International law now covers vast and complex areas of transnational concern, including traditional topics, such as the position of states,59 state succession,60 state responsibility,61 peace and security,62 the laws of war,63 the law of treaties,64 the law of the sea,65 the law of international water- courses,66 and the conduct of diplomatic relations,67 as well as new topics, such as international organizations,68 economy and development,69 nuclear energy,70 air law and outer space activities,””