 Technological changes, especially those that increase the “costs of war” as well as “the scale on which it is possible to organize a state”, affect the struggle for recognition among states, undermining their self-sufficiency and making a world state “inevitable” (2003: 493–4). Wendt draws on the work of Daniel Deudney (1995 and 1999), who argued that the evolution of destructive technology makes states as vulnerable as individuals in a Hobbesian state of nature: