20th century -- History -- 7 20th century 2 Biography 2 Agriculture -- 1 Agriculture and state -- 1 Anti-Nazi movement -- 1 more ... Authoritarianism -- 1 Biography -- 1 Bureaucracy -- 1 Church and state -- 1 Civil War -- 1 Civil society -- 1 Civilization, Modern -- 1 Congresses 1 Criticism 1 Culture 1 Democracy -- 1 Despotism -- 1 Economic aspects -- 1 Economic integration -- 1 Economic policy -- 1 Great Britain -- 1 History 1 History and criticism 1 Human rights 1 International relations 1 Islam -- 1 Journalists -- 1 Land reform -- 1 less ...