South wanted slavery, rebellions because of Lincoln becoming president, John Brown's and other abolitionists actions, the consequences caused by Compromise of 1850, the consequences of the Fugitive Slave Act, and the controversy and Bleeding Kansas.
Generally speaking, from the 1830s on, people hoping to settle in the Northwest "B-traveled along the Oregon Trail," since this had become a well-established route.
The Great Migration was the relocation of more than 6 million African Americans from the rural South to the cities of the North, Midwest and West from about 1916 to 1970.
The correct answer among all the other choices is B success since he helped increase knowledge of the new lands. Hudson’s journeys are considered success since he helped increase knowledge of the new lands. Thank you for posting your question. I hope that this answer helped you. Let me know if you need more help.