KnowraAllianceLinked fromLinked fromThe 22 pages that link to Alliance, each with the reason it gives.All 22Related 17Narrower topic 2Compared with 3Collective defenseNarrower topic: Collective defense is one possible purpose of an alliance, not a feature of every alliance.Nixon DoctrineNarrower topic: The doctrine changed the expected division of effort within alliances rather than replacing them.