ABSTRACT
Worldpoliticsiscommonlyreferredtoasanarchic,meaningthatitlacksa commongovernment.YetaHobbesian"warofallagainstall"doesnot usuallyensue:evensovereigngovernmentsthatrecognizenocommonauthoritymayengageinlimitedcooperation.Theanarchicstructureofworld politicsdoesmean,however,thattheachievementofcooperationcandepend neitherondeferencetohierarchicalauthoritynoroncentralizedenforcement. Onthecontrary,ifcooperationistoemerge,whateverproducesitmustbe consistentwiththeprinciplesofsovereigntyandself-help.'
