The classic and still definitive study of the topic, uniquely enhanced with text analytics and content by PageKicker Robot Phil_73.

From the intro: "THE change from mediaeval to modern methods in the art of war is closely related to the general transformation of European civilization which goes by the name of the Renaissance. The revival of interest in ancient history and literature had a distinct effect on military theory and practice. The new spirit of inquiry and experiment applied itself vigorously to military problems. Moreover the avowed national separatism which replaced the sham imperialism of the Middle Ages accentuated the rivalry between states and produced wars which were more frequent, more prolonged, more...