Treaties — Interpretation of — Rules of — Expressio unius nonest exclusio alterius — Rejection of Restrictive Interpretation — “The Plain Terms of the Treaty” — “The Spirit of the Treaty” — Reductio ad absurdum — Peace Treaty of Paris, 1947 — Restoration of Requisitioned Property — Requirement of Physical Restitution — Immateriality of Allied Occupation of Sicily — Immateriality of Recognition of Italy as Co-belligerent.