In the 21st century, international relations feature a paradox. On the one hand, there is an increase in constitutionalism all over the world; for example, references to constitutional norms and processes have become a familiar feature in the context of the European Union, the World Trade Organization, the International Tribunal for the Law of the Sea and the European Court of Human Rights. On the other hand, the authority of international organizations and the interpretation of international law are frequently subject to controversy; examples are decisions of the United Nations Security Council on military interventions and the use of so-called smart sanctions or in decisions of the International Court of Justice in The Hague. Read more here.