War and armed conflict — Civilians — Internment and expulsion — Extent of belligerent’s right to expel enemy nationals — Dual nationals — Conditions of expulsion and internment

Nationality — Dual nationality — Power to deprive persons of nationality — Loss of nationality on acquisition of nationality of another State — Proof of nationality — Passports — Issue of passport to individual inconsistent with argument that he had lost nationality

Claims — Diplomatic protection — Requirement of nationality — Lex specialis permitting State to claim on behalf of non-nationals — Claim required to be on behalf of individual not of the State

States — State in process of formation — De facto entity — Recognition — Eritrea — Actions of Eritrea prior to recognition