Answer:
Fur trade
Pioneer settlers were sometimes pulled west because they wanted to make a better living. Others received letters from friends or family members who had moved west. These letters often told about a good life on the frontier. The biggest factor that pulled pioneers west was the opportunity to buy land.
Originally Spain, Great Britain, Russia, and the United States claimed the territory. In 1819, under terms of the Transcontinental Treaty, Spain ceded its claims to the territory to the United States.
<span>It would be "correlating" rocks of similar age in different regions.</span>
I believe the answer is A.
The supreme court ruled that the suspects can refuse to cooperate and the police has the duty of informing suspects what their rights are and how their rights are applied. Suspects can remain silent and not incriminate themselves which means not cooperating with the police.