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.
A great deal of the <span>changes and conflicts that took place in Great Britain, France, The Austrian Empire, and Russia during the nineteenth century had to do with the Industrial Revolution, since this led to new weapons and machinery that greatly and quickly modernized warfare in Europe. </span>
Reconstruction succeeded in its goals of restoring the Union and helping to "<span>d. repair the war-torn South" although many would agree that Reconstruction failed because discrimination still existed. </span>
I think it would be A. Socialism but i'm not sure
A 2007 film I think hope it helps
