Progressive warCaleb, Carr (2002). The Lessons of Terror: A History of Warfare Against Civilians: Why It Has Always Failed and Why It Will Fail Again. Random House, Inc. is a military strategy where only enemy combatants are targeted  and non-combatants killed or wounded due to collateral damage are kept to a minimum. The principles for Progressive War were established by Dutch jurist Hugo Grotius who is consider a founder of international law  in his book De jure belli ac pacis libri tres (  On the Law of War and Peace: Three books) published in 1625. A successful practitioner of Progressive War was Helmuth von Moltke the Elder  as chief of staff of the Prussian Army in the nineteenth century. The obverse to Progressive War is unlimited war  which includes civilians as legitimate targets. The aim of unlimited war is to use military action against civilians in the hope of undermining the populations will to fight , to undermine their support of their leaders, and thereby influence the policies of those leaders to continue the conflict. Examples of unlimited war is evident in the use of cluster bombs, the firebombing of Dresden, the German bombing of British cities during the Blitz, the firebombing of Tokyo , the atomic bombings of Hiroshima and Nagasaki , among many other examples . The philosophy of unlimited war is controversial. Many consider it a form of terrorism , in the sense of deliberately attacking non-combatants in the hope of changing their mindset. Such ambiguities between unlimited warfare and terrorist strategies could be the source of why many terrorist groups consider themselves honorable fighters, and many label American military forces terrorists. Guerrilla warfare can be considered progressive if  only enemy combatants are targeted but becomes terrorism when non-combatants are targeted.
Progressive warCaleb, Carr (2002). The Lessons of Terror: A History of Warfare Against Civilians: Why It Has Always Failed and Why It Will Fail Again. Random House, Inc. is a military strategy in which only enemy combatants are targeted , and non-combatants killed or wounded by collateral damage are kept to a minimum. Its principles were established by Dutch jurist Hugo Grotius , who is considered to be a founder of international law , in his book De jure belli ac pacis libri tres ( " On the Law of War and Peace: Three Books"), published in 1625. A successful practitioner was Helmuth von Moltke the Elder , as chief of staff of the Prussian Army in the 19th century. The opposite is unlimited war , which includes civilians as legitimate targets. Its aim is to use military action against civilians in the hope of undermining the will to fight and the support of their leaders, to end the conflict. Examples of unlimited war are cluster bombs, the firebombing of Dresden, the German bombing of British cities during the Blitz, the firebombing of Tokyo and the atomic bombings of Hiroshima and Nagasaki . The philosophy of unlimited war is controversial. Many consider it a form of terrorism in the sense of deliberately attacking noncombatants in the hope of changing their mindset. Such ambiguities between unlimited warfare and terrorist strategies could be the source of why many terrorist groups consider themselves honourable fighters, and many consider the US military to be terrorists. Guerrilla warfare can be considered progressive if it is only enemy combatants that are targeted, but it becomes terrorism when noncombatants are targeted.
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