Why have countries sought to stop nuclear proliferation and the use of chemical and biological weapons

The devastating effects of biological and nuclear weapons is with no doubt the main fact behind the desire.The world recognizes that chemical,biological and nuclear weapons poses a serious threat to world peace especially if they fall into the wrong regimes and incapable nations. they also the capacity of these weapons to be used on an armed civillians.

What does this mean lol.

What is this saying? ?