On War is the most significant attempt in Western history to understand war, both in its internal dynamics and as an instrument of policy. Since the work's first appearance in 1832, it has been read throughout the world, and has stimulated generations of soldiers, statesmen, and intellectuals. Two centuries later, On War remains both controversial and an influence on strategic thinking. *The work remained unfinished at the time of Clausewitz's death and was later completed by his wife. This is Volume 1.