Pain and resolve are two key variables of sanctions; the relationship between a target's ability to resolve the pain and pressure of the sanctions is the most important factor for politicians.[1] Nephew believes the efficacy of sanctions relies on the use of pain against a target, while the target may decide to resolve, resist or deactivate this pain. Finding the role of pain and resolve is important in using sanctions successfully and humanely. Considering these two factors and finding their sensitivity during the sanction's course helps policy makers or politicians to calibrate, ease or remove the sanction's pressure.[4][2]