Diplomatic relations — Diplomatic protection — Applicant requesting diplomatic protection from Government of South Africa against Government of Zimbabwe — Whether applicant entitled to diplomatic protection — Whether State having obligation to provide diplomatic protection — Position under international law — South African Constitution — Responsibility of executive for conducting foreign relations — Discretion of executive with respect to diplomatic relations — Zimbabwean expropriation of farmland — Response of South Africa

Relationship of international law and municipal law — Conduct of foreign relations — Whether justiciable in municipal court — Nature of diplomatic protection — Whether court entitled to question efficacy of steps taken by South African Government — The law of South Africa