Write a summary of the following passage (Max5-6sentences).

Various kinds of nuclear weapons have been produced in the past few years by many countries. This is a new and terrible development in the history of mankind. Very few events can be more frightful than a nuclear war. In  a nuclear war, most of the world’s population will be exterminated.  The few living things that survive will be exposed to radiation or the electric rays harmful to life.  If has been said by scientists that many new diseases will be caused by radiation. There will also be an acute shortage to food, for all the crops and stores will be poisoned by radiation. Most of the areas on which nuclear bombs have been dropped will be ruined. Therefore, the survivors of a nuclear war will be sick, hungry and homeless. It might be better, perhaps to be killed in a nuclear war than to survive it. It would be better still for men to live in peace with one another. If this can be achieved, there will be no nuclear wars.