Russia and the Collective Security Treaty Organisation: Multilateral Policy or Unilateral Ambitions?

Ambivalence and misconceptions surround the Collective Security Treaty Organisation (CSTO). Relying upon the literature on multilateralism, state–IGO relations, regionalism and security governance, this study examines: which goals Russia is pursuing in its CSTO policy; how Russia engages with its individual members within the organisation; how Russia uses it in five foreign policy situations and with which results. It shows that Russia’s CSTO policy is more mixed and complex than is usually assumed. Russia uses the CSTO in pursuit of unilateral ambitions but it is also searching for partners. Russia’s policy has resulted in the formation of instrumental multilateralism within the CSTO.