Interpersonal communication 15 Public speaking 15 Self-presentation 15 Foreign relations -- 10 Courses -- 6 Foreign relations 6 Speeches, addresses, etc 6 more ... Negotiation 5 Politics and government 5 Closing ceremony 4 Diplomatic training 4 Etiquette 4 Foreign policy 4 Dinners and dining 3 International diplomats 3 Security, International 3 Table etiquette 3 Terrorism 3 Crisis management -- 2 Farewells 2 Hostages 2 Opening Ceremony 2 Ability 1 Addresses, essays, lectures 1 Biological weapons 1 British -- 1 Business communication 1 Business etiquette 1 Business writing 1 Chemical weapons 1 less ...