In 1776, adam smith observed what fact about the western hemisphere?

In 1776, Adam Smith in the Wealth of Nations comments on the economics of the discovery by Europeans of the New World and its colonization, and the influx of goods  from there, including gold and silver and fur, increased the wealth and enjoyment of some Europeans while at the same time resulting in a drastic decline in the population of indigenous people due to things like smallpox and being obtained from the exploitation of their labour.

Just think, why was it effective? -it appeled to critics because it was written well, that made it noticeable to the public including the white population-it was also recognizable to the african americans because it was about their heritage.-it was powerful just keep finding more points and elaborate on them. message me if you need more