Tariff -- Foreign trade regulation 12 Law and legislation 12 Foreign trade regulation -- 5 Law and legislation -- 4 Free trade -- 3 Actions and defenses 2 more ... Dispute resolution (Law) 2 International economic relations 2 World Trade Organization 2 Commerce -- 1 Commercial policy 1 Commercial policy -- 1 Commercial treaties -- 1 Competition, unfair -- 1 Congresses 1 Customs administration -- 1 Developing countries 1 Economic integration -- 1 Encyclopedias 1 Encyclopedias -- 1 Foreign economic relations 1 Foreign relations -- 1 Foreign trade promotion -- 1 History 1 International trade 1 Mexico 1 North America 1 Sources -- 1 less ...