Arnold Toynbee,
The German Terror in Belgium: An Historical Record
“ Thus, three months after the German armies crossed the frontier, the German invasion of Belgium and France gave place to a permanent German occupation of French and Belgian territories behind a practically stationary front, and with this change of character in the fighting a change came over the outrages upon the civil population which remained in Germany’s power. The crimes of the invasion and the crimes of the occupation are of a different order from one another, and must be dealt with apart. ”
