World War, 1939-1945 65 History 54 Campaigns 41 Economic conditions 26 Foreign relations 26 Politics and government 24 Foreign economic relations 18 Social aspects 17 Strategic aspects 16 Commerce 14 National security 13 Economic integration 12 Security, International 12 Social conditions 12 Economic development 11 History and criticism 10 Relations 10 Military policy 9 Finance 8 Free trade 8 Law and legislation 8 Pearl Harbor (Hawaii), Attack on, 1941 7 Sustainable development 7 Women 7 Commercial policy 6 Economic forecasting 6 Education, Higher 6 Emigration and immigration 6 Environmental aspects 6 Government policy 6 In literature 6 Sea-power 6 Study and teaching 6 Aerial operations, American 5 Climatic changes 5 Conflict management 5 Discovery and exploration 5 Economic aspects 5 Economic policy 5 Globalization 5 History, Military 5 Imperialism 5 International cooperation 5 International trade 5 Military relations 5 Pacific Area cooperation 5 Race relations 5 Regimental histories 5 American literature 4 Armed Forces 4 Cities and towns 4 City planning 4 Foreign trade regulation 4 Geopolitics 4 International economic relations 4 Labor 4 Languages 4 Management 4 Naval operations, American 4 Peace-building 4 Sociolinguistics 4 Transnationalism 4 Travel 4 Artillery operations, American 3 Banks and banking 3 Economic indicators 3 English language 3 Financial crises 3 Financial services industry 3 Human ecology 3 Human rights 3 Imperialism in literature 3 Indigenous peoples 3 International relations 3 Japanese Americans 3 Language policy 3 Languages in contact 3 Law of the sea 3 Medical care 3 Older people 3 Personnel management 3 Political aspects 3 Prevention 3 Public opinion 3 Soldiers 3 War correspondents 3 Women's rights 3 Accounting 2 African Americans 2 Aging 2 Aims and objectives 2 Air pilots, Military 2 Americans 2 Antiquities 2 Archaeology 2 Asian cooperation 2 Atrocities 2 Aviation 2 British 2 Civil rights 2