The end of the 19th century.
American cities come of age.
Chicago, rising triumphant from the ashes of the Great Fire, the city of the century. I mean, they are, what I said before, great opportunity centers. But within the cities, there's this churning, constant social process that no one knows how to control. These are places of tremendous creativity, and tremendous volatility. And I think they represent what the 19th century was all about as a time of crisis, but also opportunity.