Subject
Politics and government
History
22,456
Social conditions
4,611
Foreign relations
4,536
Economic conditions
3,437
Political aspects
2,687
Presidents
1,970
Democracy
1,837
Political activity
1,494
Economic policy
1,469
Political culture
1,469
Elections
1,430
Race relations
1,383
Nationalism
1,349
Ethnic relations
1,216
Political parties
1,185
African Americans
1,137
Political science
984
Colonies
906
Politica y gobierno
903
Civil rights
889
Slavery
844
Jews
839
Social aspects
791
Influence
790
Intellectual life
770
Relations
753
Political participation
749
Social life and customs
743
Political and social views
720
Civilization
696
Constitutional history
668
Causes
622
Communism
613
Politicians
612
Election
605
Public opinion
601
Social policy
600
Conservatism
588
Democratization
565
Islam and politics
560
World War, 1939-1945
548
Statesmen
540
Government relations
530
Social change
520
Church and state
517
Government policy
516
Kings and rulers
509
Legislators
499
Philosophy
498
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