KnowraAktion T4Linked fromLinked fromThe 4 pages that link to Aktion T4, each with the reason it gives.All 4Broader topic 3Related 1Operation ReinhardRelated: Its personnel and techniques were transferred to the Operation Reinhard killing centers.Nazi racial ideologyBroader topic: It applied Nazi judgments of hereditary worth to disabled people through organized murder.Nazi eugenicsBroader topic: The killing program extended racial hygiene from reproductive control to mass murder.VolksgemeinschaftBroader topic: The regime’s vision of a healthy national body justified murdering people it deemed burdensome.