You are a big country now but you still tend to feel small and fragile. If the United States gets a cold you get pneumonia.
World War I broke out largely because of an arms race, and World War II because of the lack of an arms race.
Projecting a persuasive image of a desirable and practical future is extremely important to high morale, to dynamism, to consensus, and in general to help the wheels of society turn smoothly.
From a scientific perspective there is some indication that a nuclear war could deplete the earth's ozone layer or, less likely, could bring on a new Ice Age - but there is no suggestion that either t...
The widespread diffusion of nuclear weapons would make many nations able, and in some cases also create the pressure, to aggravate an on-going crisis, or even touch off a war between two other powers...
A total nuclear freeze is counterproductive - especially now, when technology is rapidly changing and the Soviets have some important strategic advantages.