History 379 Economic conditions 222 Social conditions 208 Economic policy 169 Labor unions 97 Politics and government 97 Youth 96 more ... Social policy 90 Women 88 Political activity 74 Commerce 73 Industries 71 Social aspects 70 Foreign workers 64 Management 63 Employee participation 57 Finance 57 Working class 54 Research 48 Socialism 47 Employment 46 Foreign economic relations 46 Regional planning 46 Social security 45 Terrorism 42 Labor movement 40 Radicalism 40 Labor 39 Case studies 38 Monetary policy 38 less ...