Nation is related to Legal. Legal is a different concept from Kill. Punish requires Kill. 
Related is a form of Relate. Relate is a type of Be. Disagree is a type of Be. 
Nation <--RelatedTo--> Legal <--DistinctFrom--> Kill <--HasPrerequisite-- Punish 
Related --FormOf--> Relate --IsA--> Be <--IsA-- Disagree 