Loss of Territory — Secession — Secession of Bessarabia from Russia.

Pactum de contrahendo — Undertaking in Advance to Recognise Future Arrangements — Effect of — Article 117 of the Treaty of Versailles.

Treaties — Entry into Force — Effect on Nationality.

Nationality — Effect of Change in Territorial Sovereignty — Persons Residing Abroad — Secession of Bessarabia from Russia — Article 117 of the Treaty of Versailles — Treaty of 28 October, 1920, concerning Bessarabia — Declaration of a State as to Nationality of a Person — How far Subject to Judicial Review — Entrance into Force of Treaties — Effect on Nationality.