A preemptive war is a war that is commenced in an attempt to repel or defeat a perceived offensive or invasion, or to gain a strategic advantage in an impending (allegedly unavoidable) war before that threat materializes. It is a war which preemptively 'breaks the peace'. The term: 'preemptive war' is sometimes confused with the term: 'preventive war'. The difference is that a preventive war is launched to destroy the potential threat of an enemy...
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Preemptive war
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Invasion
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