Answer:
1. The United States is in the Western Hemisphere (because it is west of the prime meridian) and also in the Northern Hemisphere (because it is north of the equator).
The Strategic Arms Limitation Treaty (SALT) agreements signed in the 1970s by the United States and the Soviet Union were efforts to "<span>(1) reduce Cold War tensions," since the direct aim was to eliminate large portions of each nation's nuclear arsenal. </span>
<span>Made the engine that made it possible for cars to work</span>
Three aspects would technology, goverment and cultural diffusion hope this helps