State immunity — Jurisdictional immunity — Restrictive doctrine of immunity — Immunity in respect of acta jure imperii — Whether available in respect of all acta jure imperii — War crimes and crimes against humanity — Whether State entitled to immunity in respect of international crimes — Fundamental human rights — Jus cogens

Relationship of international law and municipal law — Customary international law — Italian Constitution, Article 10 — International law and fundamental principles of international legal order

War and armed conflict — War crimes and crimes against humanity — Occupied territory — Reprisals — Civilians — Murder of civilians in reprisal for partisan attack — Peace treaties — Effects — Reparations — The law of Italy