The answer is China.
However, while it is true Chinese men made up a large number of miners, overall, there was a large mix of migrants from within the US and other parts of the world as well.
European immigrants who had just reached the United States from the east coast, quickly set out for the Oregon Gold Rush as well.
This was part of the larger Gold Rush taking place in the States of Montana, Idaho and Colorado in the 19th Century.
The Gold Rush was one of the reasons for these far flung areas becoming permanently settled.
He had unprecedented connections with they Supreme Court.
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NASA is still worthy of funding due to the increasing world population while resources are gradually dwindling. More investment in NASA is needed to advance missions to find new habitable planets. As soon as possible to increase the country's influence globally and bring out the best for the people.