law of treaties

Treaties between a large number of states, usually (though not always) denoting participation by a majority of the world's states.  Multilateral treaties cover practically every substantive field of international law, from human rights to inter-state agreements on matters such as trade or transportation.  Examples of early successful multilateral treaties include the International Telegraph Convention (1865) and the

Conventional international law is the body of international legal principles contained in treaties versus customary international law or other sources of international law.