Which of the following case is related to the nationality of an individual which is an evidence of link…

In the Nottebohm case (Liechtenstein v. Guatemala, 1955), the International Court of Justice held that Guatemala need not recognise Liechtenstein's naturalisation of Nottebohm, because nationality must reflect a "genuine connection" between the individual and the State before it can be relied on against another State.

The Namibia advisory opinion (1971) concerned South Africa's presence in South West Africa, the Genocide Convention opinion (1951) concerned reservations to treaties, and the Tehran case (1980) concerned diplomatic immunity.