Jurisdiction — Personal — Property of Nationals Abroad — Nationalization Decree — Effect of — Enforceability in Territorial Waters of Foreign State — Ships in transitu — Recognition — Of Governments — Of Incorporation of State in Territory of Foreign State — Estonian Soviet Socialist Republic — Recognition de facto — Retroactive Effect of — Nature of — Relationship of Recognition of Governments de facto with Recognition de jure — Decree of Recognized Foreign Government — Validity — Whether Cognizable in Local Courts — Confiscatory Decrees — Enforceability — Belligerent Occupation — Effects of — Prior Unexecuted Nationalization Decrees of Local Sovereign — Whether Enforceable After End of Occupation — German Occupation of Estonia — Conclusiveness of Statements of Executive — Recognition of Estonian Government — Law of Canada