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.
Correct answer is B key words and concepts
During the 1500's Spain and Portugal were the two big countries exploring The New World ( Now North and South America). Important Explorers include Christopher Columbus, Vasco de Gama, Francisco Vasquez
There are three main reasons for their exploration it is referred to as the 3G's, which are Gold, God, and Glory. Gold referring to money and any treasure that could be found. God referring to the Missionaries that went and converted many Natives to Christians. Glory referring to any fame that could be obtained by the explorers. Another reason is in search for land. This encouraged Imperialism throughout the New World which was practiced by many European Nations