The first person to invent football was Walter Camp.
Although this depends slightly on what period you're referring to during this time, the best answer would be that "Immigrants" made up the largest percentage of workers in American industry during the late nineteenth century, since the economy had shifted towards industrial output as opposed to agrarian output.
Answer:
The establishment of a national bank was necessary to ensure the stability of the new nation's economy.
Explanation:
The establishment of a national bank was one of Alexander Hamilton's many contributions to the emerging American economy. This bank would protect American manufacturers through direct government subsidies and taxes on imported goods. This bank was referred to as the First Bank of the United States. It was opened for business purposes in Philadelphia on December 12, 1791.
All of these men reacted to the newly minted wealth of the United States in different ways, however Carnegie was the most pronounced in the way he seized much of it for industry. Washington, on the other hand spread awareness.