Okay, so, just from the top of my head, I think that it is because of the growing belief of "Manifest Destiny" in the nineteenth century. I'm not sure if this is the actual right answer for your question, but I do know that Manifest Destiny was in the nineteenth century and was the widely held belief in the USA that American settlers were destined to expand through out the continent. And I think both the USA and Europe wanted to expand, it was kind of a copetition/conflict they had. This was actually how Canada and Alaska came to be I believe. This was a simple explanation btw. cx
Answer:
Pennsylvania railroad
Explanation:
Pennsylvania railroad as a supervisor. At the age of 33 in NYC, Carnegie wrote a letter to himself.
Decline of rural living, but sparked tremendous amounts of economic growth eventually. Early urbanization was filthy though, no proper sewage, overcrowded cities. So many people surged into these urban areas at one time, often not finding enough jobs for everyone.
Checks and balances. Each branch “checks” the power of the other branches to make sure that the power is balanced between them.
The answer is b- buying and selling goods
