History -- Politics and government -- Unification, 1990 2 20th century -- 1 Anti-Nazi movement -- 1 Bureaucracy -- 1 Church and state -- 1 more ... Communism -- 1 Economic conditions -- 1 Political culture -- 1 Relations -- 1 Social conditions -- 1 Unification -- 1 World war, 1914-1918 -- 1 less ...