text: Short answer.., Fear\nLonger answer, it's in our genetic make-up.\nAs organisms, we are programed to survive and reproduce.\nAs complex organisms with social structures, we have acquired competitive responses which enable us to acquire and control resources and power. Again, to better satisfy the original directive of survival and reproduction. \nFear... of danger, survival, safety of our offspring, losing of resources or power ..... all will engage the competitive response to kill..........\nWe are organisms\nthat kill \nout of fear\n\n( culture either curbs or augments this primal response )