Avoiding the Altuistic thing all together--all animals(to my knowledge) have some mechanism for inflicting pain in defense if they do not have a fairly strong mechanism for preventing harm(or if they dont breed on exponents). We dont have shells to curl up into, and we dont run particularly fast--so I would say our primary defense mechanism is violence(self and species preservation). Now how modern society may have perverted that instinctive reaction is open to all the speculation in the world--but in my most uneducated opinion evolution says "attack".



Yes, all the Republican do not think. HURR-DURR!
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