Fifth amendment of the United States constitution.
Answer:
Wallace's main argument is that he cannot but feel that these actions (bomb-testing) must make it look to the rest of the world as if the U.S. was only paying lip service to peace at the conference table.
Technically this is true in the United States, since before westward expansion there were land restrictions on which white men could vote--but since practically all white men in the west owned land this was not the case.
The answer to this question is A. Jet streams
Jet streams are located near the altitude of the upper troposphere. It's a movement of wind that travels from one side of the planet hemisphere to another. The movement of jet streams will bring up different temperature of air which could influence the weather that exist in certain regions.