Diplomacy -- Foreign relations -- Cross-cultural studies 3 International relations -- 3 Negotiation -- 3 History 2 International relations 2 more ... Periodicals 2 20th century 1 Automation 1 Biography -- 1 Communication in politics 1 Communication in politics -- 1 Congresses 1 Congresses -- 1 Data processing -- 1 Diplomacy 1 Diplomats -- 1 Foreign economic relations -- 1 Foreign public opinion 1 Great powers 1 History -- 1 Moral and ethical aspects 1 Periodicals -- 1 Philosophy 1 Political aspects 1 Political aspects -- 1 Realism -- 1 Sources -- 1 Sudan -- 1 less ...