Answer is D
The USA was offering to support non Soviet countries, by doing this USA created military alliances with other capitalist nations
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:
The Articles of Confederation created a national government composed of a Congress, which had the power to declare war, appoint military officers, sign treaties, make alliances, appoint foreign ambassadors, and manage relations with Indians.
Westward expansion was a natural progression for the nation because the most powerful entities came from the East (England). It is only natural that they spread out and conquer/capture/kill/annihilate those in their way (the true Americans/Native Americans). In doing so they conquered a whole land and taught them their ways while spreading West.