Unfortunately, nuclear weapons have become identified with state power.

In what bold relief stand out the lives of all walkers of the snow! The snow is a great tell-tale, and blabs as effectually as it obliterates. I go into the woods, and know all that has happened. I cross the fields, and if only a mouse has visited his neighbor, the fact is chronicled.

There is an international treaty framework for this. It's the Nuclear Non-Proliferation Treaty (NPT). Most countries in the world are members of the treaty.

So the idea about how detonation of a nuclear weapon might happen vary, you know - some people are especially concerned about terrorists getting their hands on nuclear weapons and using them. Some people are worried that there might be a nuclear war between India and Pakistan. Some think the Middle East, were Israel already has nuclear weapons and where other countries may be interested at some point and acquiring them, might be a flash point.

One may return to the place of his birth, He cannot go back to his youth.

Look up at the miracle of the falling snow,—the air a dizzy maze of whirling, eddying flakes, noiselessly transforming the world, the exquisite crystals dropping in ditch and gutter, and disguising in the same suit of spotless livery all objects upon which they fall.

Basically [United States and France] said "We will use nuclear weapons whenever it suits our purposes to do so." So this expansion of doctrines regarding possible use of nuclear weapons makes them more, you know, sort of, salient and important and so it's increasing the perceived political value of nuclear weapons and therefore causing or contributing to possible proliferation.