Accordingly, if Beijing desires continued prospects for peaceful reunification with Taipei, then it must cease its strategy of compellence and give Taiwan more international breathing space. Instead of inviting Taiwan's ire with its[…]
Source: wiktionary
Although deterrence and compellence both involve coercion by manipulating the adversary's calculation of costs and benefits, they differ in several crucial respects. Deterrence is a threat intended to keep an adversary from starting something. Compellence is a threat intended to make him do something new or cease doing something he has already begun.
Source: wiktionary
Humanitarian operations will more often partake of compellence than deterrence. However, advocates of these operations often seem to imagine they are engaged in deterrence, and thus under-estimate the difficulties.
Source: wiktionary