Answer to Question 1
The WTO was established by GATT. It has the authority to resolve trade disputes between signatory countries. The WTO addresses primarily tariff violations or nontariff barriers. This international court may order compliance from any nation violating GATT and may penalize countries by imposing trade sanctions.
Answer to Question 2
Public international law is the law governing relations among governments and international organizations. It includes the law of war, the acquisition of territory, and the settlement of disputes among nations. Public international law also has rules governing the globe's shared resources and common elements: the sea, outer space, trade, and communications. Finally, it addresses people: Public international law sets out the basic rules of human rights and laws defining the treatment of refugees, prisoners of war, and international criminals.
Private international law applies to private parties (such as businesses and individuals) in international commercial and legal transactions. It deals with two fundamental issues: Which law applies to a private agreement? How will people from one country settle their private disputes with parties on foreign soil?