Answer:
virginia colony was known/thought to be thw most powerful
Unemployment decreases since people are needed to fill jobs in factories,creating supplies.
Three centuries of the slave trade had taught Europeans that Africans were inferior, and that helped to justify imperialism in the minds of many Europeans. Even slave abolitionists contributed to this by arguing that Africans had to be "protected" from slavers; i.e. they couldn't take care of themselves.
It's not the first one because it's a primary not a secondary. So I'd say its C since it's often referred as a bull market.
The manners in which the English and Germans could be considered to have pulled the United States into World War I were closely intertwined. The relationship between Great Britain and the United States was, of course, borne of bloody confrontations, first the American Revolutionary War and then the War of 1812. In the century between then and the onset of the Great War, the relationship between the two countries was one of constant mutual antipathy, as the growth of the United States increasingly encroached on British territory in North Americ