Commerce History 503 Economic conditions 255 Foreign economic relations 71 International trade 55 Economic aspects 54 Colonies 50 Economic policy 50 Commercial policy 46 Economics 46 Merchants 44 Politics and government 41 Social aspects 39 Social conditions 38 Business 34 Investments, Foreign 34 Free trade 33 Foreign relations 32 Antiquities 30 Social life and customs 28 Economic development 27 Industries 26 Trade routes 24 Economic integration 22 Finance 22 Indians of North America 22 International business enterprises 22 Globalization 21 Capitalism 20 Relations 20