History 380 Social conditions 52 Politics and government 46 Social aspects 31 Political aspects 29 Race relations 20 Economic conditions 19 more ... Histoire 17 Economic history 16 Presidents 16 Diplomatic relations 13 Foreign relations 13 Moral and ethical aspects 13 Murder 13 Social change 13 Ethnic relations 12 History, Military 12 Armed Forces 11 Cities and towns 11 Social life and customs 11 Antiquities 10 City planning 10 Nationalism 10 War 10 Emigration and immigration 9 Families 9 Military policy 9 Psychological aspects 9 Religious aspects 9 World War, 1939-1945 9 less ...