Economic conditions 71 Politics and government 18 Social conditions 16 Civilization 14 History 12 Social life and customs 11 Depressions 8 more ... Economic history 6 Economic policy 6 Capitalism 5 Description and travel 5 Labor 5 World War, 1939-1945 5 Foreign relations 4 Industrial policy 4 Labor and laboring classes 4 Labor movement 4 New Deal, 1933-1939 4 Working class 4 Communism 3 Conditions économiques 3 Economics 3 Immigrants 3 Industries 3 Nineteen twenties 3 Personal narratives 3 Social problems 3 World War, 1914-1918 3 Agriculture 2 British 2 Emigration and immigration 2 Food supply 2 Germans 2 Gold 2 Income 2 Italians 2 Lithuanians 2 Manners and customs 2 Peace 2 Public opinion 2 less ...