Well there is something with in us thats why god had kept us alive because we had done so much sin and should thank the almighty for still for our survival and remaining. well some political leaders are with this kind of unwanted elements so thats why this cant be deleted from the world as this is the one the baddest assets in the life of human being and no one only the god the almighty will vanish the world and on that time the world will be the time winding and liquidify at that time all will be no more and on that time we can say that the terror and the terrorism had been no more on the earth