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.
Answer:
C-Forced Immigration(slavery).
It’s C. Time study analysis hope it works for you
Answer:
Portuguese
Explanation:
The Age of Exploration began in the nation of Portugal under the leadership of Henry the Navigator. Henry sent out ships to map and explore the west coast of Africa. They went further south than any previous European expedition and mapped much of western Africa for the Portuguese.