When the conqueror thinks that "my enemy has to accomplish a work which, not lasting but trifling in its nature, enrages his subjects, which requires much expenditure of time and money, and which is productive of evil consequences, unrighteous, repugnant to the Madhyama and neutral kings, and destructive of all friendship; whereas, I have to do the reverse," then he should make an agreement to carry out a definite work.