D. Norway
Hope this helps
The best options from the list regarding how the United States and other countries saught to make the world better after World War II would be by "b) rebuilding war-torn countries" and "<span>c) establishing the United Nations," since they had learned not to "punish" nations like Germany after World War I. </span>
He delivered that speech in 1963.
The technological advances during WW1 were Machine Guns, Poisonous Gas, Flamethrowers, Tanks, War Planes, Satellite Communication, and Mobile X-Ray machine guns
