Greece because I had this question on a history test and when handed back I was correct its Greece.
At first it was mostly poor americans from the east, hoping to make a lot of money. By the time they began digging into mountains, less and less americans agreed to do the dangerous work. using explosives and pickaxes to get at a chance for money wasn't worth it to them, so many companies began hiring chinese immigrants because they would work for much less, and were willing to risk it for a place to live and food to eat.
Answer:
Two factors that caused rapid economic growth during the Gilded Age were An increase in steel production and an increase in the value of goods
