Tariff Law and legislation 267 History 160 Customs administration 146 Foreign trade regulation 92 Commerce 78 Commercial policy 78 more ... Taxation 71 Free trade 54 Politics and government 48 Protectionism 43 Tonnage fees 42 International trade 25 Sugar trade 24 Finance, Public 23 Economic conditions 21 Colonies 18 Foreign economic relations 17 Law 17 Exports 16 Dispute resolution (Law) 15 Alcoholic beverage industry 14 Economic policy 14 Debts, Public 13 Salt 13 Smuggling 13 Trade regulation 13 Excise tax 12 International economic relations 12 Non-tariff trade barriers 12 less ...