Tariff Law and legislation 265 History 158 Customs administration 145 Foreign trade regulation 91 Commerce 77 Commercial policy 77 more ... Taxation 71 Free trade 54 Politics and government 48 Protectionism 43 Tonnage fees 42 Sugar trade 24 Finance, Public 23 International trade 23 Economic conditions 20 Colonies 18 Law 17 Exports 16 Foreign economic relations 16 Dispute resolution (Law) 15 Alcoholic beverage industry 14 Debts, Public 13 Salt 13 Smuggling 13 Trade regulation 13 Economic policy 12 Excise tax 12 International economic relations 12 Non-tariff trade barriers 12 less ...