Forecasting History 87 Social aspects 74 Twenty-first century 63 Economic conditions 54 Economic aspects 52 Economic forecasting 45 espandi ... Politics and government 41 Social conditions 40 Forecasts 38 Climatic changes 37 Technological innovations 37 International relations 34 Philosophy 32 Foreign relations 30 Power resources 29 World politics 28 Appropriations and expenditures 26 Social security 26 Christianity 25 Economic policy 25 Government policy 25 Budget 24 Finance 23 National security 23 Social prediction 23 Civilization 22 Globalization 22 Military policy 22 Research 22 riduci ...