This applies to the individual soldier as much as to the whole army.

The character of warfare has continually been changing.

To fight in the Middle Ages or in the eighteenth century with comparatively small forces was one thing; it is quite another to handle the colossal armies of to-day.

The preparations for war, therefore, in the social as well as military sense, must be quite different in a highly developed modern civilized State from those in countries, standing on a lower level of civilization, where ordinary life is full of military elements, and war is fought under relatively simple conditions.
The crushing superiority of civilized States over people with a less developed civilization and military system is due to this altered form of military efficiency.

It was thus that Japan succeeded in raising herself in a brief space to the supremacy in Eastern Asia.