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![Image: By Karl wilhelm Wach (www.nodulo.org/ec/2007/n066p13.htm) [public domain], via Wikimedia Commons](https://foreignpolicymag.files.wordpress.com/2013/09/carl_von_clausewitz221.png?w=625&h=400&crop=0%2C0%2C25%2C0&quality=90)
