War — In general — Enforcement of the laws of war — Compensation and reparation — Dismantling of munitions factory by Occupying Powers in 1945 as part of demilitarisation of Germany — Whether measures amounted to reparation measures — Whether Occupying Powers had acted on behalf of Germany — Treaty terminating Occupation Status of Germany — Whether Federal Republic could abstain from obligation to indemnify demilitarisation under the treaty — Effect of treaty on constitutional guarantee of right to indemnification — The law of Federal Republic of Germany