When war broke out on 1st September 1939 on Hitler's invasion of Poland, everyone remembered what happened last time. After all, it had been only 25 years before.
When it comes to the treatment of prisoners of war, the Geneva Convention had become quite effective, and sophisticated.
Although national governments could not directly help their surrendered prisoners of war, they could be supported by a scheme regulated by the International Red Cross.
In WWI, the British Red Cross Society combined with the Order of St John to collect funds to send food parcels to our prisoners of war held by the Germans. There was a reciprocal arrangement for the prisoners we captured. This meant a fairly level playing field, even though the normal international postal system was