The Arthashastra dedicates Book 7 and 10 to war, and considers numerous scenarios and reasons for war. It classifies war into three broad types – open war, covert war and silent war. It then dedicates chapters to defining each type of war, how to engage in these wars and how to detect that one is a target of covert or silent types of war. The text cautions that the king should know the progress he expects to make, when considering the choice between waging war and pursuing peace. The text asserts: