The kind of precision manufacturing epitomized in the armories, while it was important, was only a small share of the economy until quite late in the century. Large-scale natural resource development and processing was the name of the game.

The paradigm of the development of natural resource-based industry - meatpacking, lard, timber, iron and coal, grain. Cincinnati's lard processing plants looked a lot like JDR's oil refineries thirty years later.

Land Grant College Act is the jewel of Republican reform. It had not occurred to any other country to educate their farmers and workers. When the British studied the reasons for American success in 1851, the consensus was that Americans workers were well educated. So they didn't oppose progress the way British workers did.

John D. Rockefeller was certainly the first to create a consumer product that was sold literally throughout the entire world. Those blue 5-gallon cans showed up in some of the remotest parts of the world.

Military power tends to be a function of economic power, and the British Navy was the essential capability for establishing the imperial sway - which was attuned to furnish the raw materials for the British manufacturing ascendance. So they were mutually reinforcing.

I've been in China enough to know that you shouldn't opine on it unless you speak Chinese and have lived there for twenty years. I wasn't pretending to be a China expert in that final chapter. I was just pointing, first to the parallels between Chinese behavior toward us and ours toward GB when we were at the same stage of development, and secondly to how much harder their development path is than ours was.

After I finished the Tycoons - on post-Civil War development - I realized how much I didn't know about the first half of the century, even though there had obviously been an enormous amount of development, so I read about and thought about that for a couple of years before I decided I was ready for a book.