Answer:
They believed that the Vietnam War was a mistake. By 1968, a majority of Americans believed that the Vietnam War was a mistake. The other choices given above are not related to what happened during 1968. Hope this answer helps.
You asked what I thought so I am going to give you my honest opinon. Emphasis on opinion
The First place was Poland! hope this helps
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.