History -- Politics and government -- 70 Foreign relations -- 41 History 30 Politics and government 24 Economic conditions 13 Communism -- 12 more ... Nationalism -- 11 World politics -- 11 Economic conditions -- 10 Congresses -- 9 Democracy -- 9 Ethnic relations 9 Relations -- 9 Sources -- 9 Biography -- 8 20th century 7 Congresses 7 Race relations 7 Revolutions -- 7 Sources 7 Unification, 1990 7 Commerce -- 6 Minorities -- 6 Public opinion -- 6 Representative government and representation -- 6 Revolution -- 6 Social conditions -- 6 Socialism -- 6 Autonomy and independence movements 5 less ...