International law is a law that sets the rules of international relations, because of the different countries in the world need to have contact with other countries in relation to trade, the economy and aid coordination in the areas in which international law could come in the form of a treaty. Customary or an agreement between the countries. International law clearly states that the force might not have, but it is legal because it is a rule that is set up to be used as a tool for action, according to one of the goals of the State, such as international law, the City Law Department. The International Law Department, criminal, etc.