Horrible puns aside, co-evolution, the evolutionary arms race is a deadlock between predator and prey, each one trying to gain an evolutionary advantage over the other. Take the relation between the cheetah and gazelle for example. The cheetah, a predator adapted for stealthy and speed, against it a gazelle would be easy prey, if it were not for the gazelle’s own adaptations.
Similar relatioship eveloves among countries who are fighting with each other since long
It's 1947 in post World War 2 Germany; Russia tightens its grip upon Berlin and blockades its former Allies from East Berlin. Tension rises between the Russians and allies...............................................
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