History 41 Politics and government 40 Economic conditions 18 Civilization 17 Social conditions 16 World politics 16 Foreign relations 14 more ... Periodicals 11 World War, 1939-1945 7 African Americans 6 Jews 6 Communism 5 Histoire 5 Minorities 5 Political activity 5 Social life and customs 5 Civil rights 4 Emigration and immigration 4 Polish people 4 Race relations 4 Cold War 3 Economic aspects 3 Economic history 3 Education 3 Ethnic relations 3 Industries 3 Popular culture 3 Reconstruction (1939-1951) 3 Refugees 3 Relations extérieures 3 Social aspects 3 15.85 history of America 2 Biography 2 Congresses 2 Cultural pluralism 2 Culture populaire 2 Depressions 2 Description and travel 2 Diplomatic relations 2 Economic policy 2 less ...