The conflict arose because the US citizens wanted to spread towards the western shores and pushed the Natives out of their land and forced them to migrate. The conflict didn't get resolved since there was war and fighting because many didn't want to go, but in the end they were placed in reservations.
Both the Nuclear Test Ban Treaty of 1963 and the Strategic Arms Limitation Treaty (SALT) of 1972 were attempts to "<span>(2) promote the peaceful use of atomic energy"</span>
