Clausewitz’s work is built on several revolutionary ideas that shifted the study of war from a technical "science" to a social and political phenomenon:

Vom Kriege ( On War ), published posthumously in 1832 by Marie von Brühl, is the definitive treatise on military strategy by Prussian general Carl von Clausewitz. Rather than a simple tactical manual, it is a philosophical exploration of the "spirit" and nature of conflict. Core Philosophical Concepts