Pretty sure it's B because they gained support in the civil war
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.
Answer:it was a turning point in war in general
Explanation: wwi was where the idea of trench warfare was introduced so neither side could advance on another
