Answer:
the release of green houses gases and other pollutions.
Fact check me before making it your final answer but I'm 75% sure its 1
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.
150,000 for Hiroshima and 75,000 for Nagasaki
