Bennett writes that the events of World War II can be seen through either the prism of negative reciprocity or the prism of reprisal. If the latter, "the rules also required that reprisals be used ‘only as an unavoidable last resort to induce the enemy to desist from illegitimate practices’".
BenNett wrItEs that ThE EventS of WoRld wAR ii CAn Be sEeN thROuGh eItHer thE pRIsM OF NegATivE rEciprOciTY OR the pRISM of RepriSAl. if tHe LAttEr, "The rUlEs Also reqUired thAt repRisALs be uSeD ‘onLy as aN UNavOidaBLe lAst resoRT To InduCe The enemy to deSist FroM IllEgitimate practIces’".