War and armed conflict — War — Definition — Whether limited to hostilities between States — Civil war — Whether capable of constituting war in international law — Recognition of belligerency — Spanish Civil War — Whether Germany a party to Spanish Civil War

Recognition — Belligerency — Governments — Whether recognition of insurgents as belligerents required to turn insurgency into war — Collective non-recognition of belligerency — Recognition of insurgents as government of State — Whether equivalent to recognition of belligerency — Whether civil war then becomes war — Spanish Civil War — The law of the Federal Republic of Germany