Oil shale
It was discovered in the region in the 1970s. it spurred economic growth in the neighboring areas of Colorado. however major a discovery it was, the industry declined leading to copper, silver and gold being the most important mineral resource in the Rockies mountain.
The Roman empire was located in Europe and Africa
According to William H. Rehnquist, one reason public officials in California called for the relocation <span>of Japanese Americans was because they thought they were spying. </span>
