 He then addresses the key deficiency in Grotius’ theory of territory: he proposes a scope limitation on possession, which limits the amount possessed by requiring that it be justified from a global perspective. Risse’s distinctive proposal is a proportionality principle to explain how much each group is entitled to. Grotius himself did not endorse proportionality, but he did believe in common ownership, combined with a right of necessity, which Risse says implies the following disjunctive right: each individual has the right 