These four categories really depend in the main on the idea that in some circumstances, God and religion justify war. This is the ‘just war’ doctrine. The notion of ‘just war’ is based on the violence-of-God tradition, attempting to solidify the relationship between God and war. However, any arguments regarding divine war are built upon understandings of divine justice. Analyzing the concept of ‘just war’, Richard Kirby contends that ‘it is not that the variable attributes of the war which are problematic; it’s the elasticity of the concept of justice’. Subsequently, justice, too, .