“The story has been told innumerable times: how the expansion of markets, the presence of coal and iron as well as a humid climate favorable to the cotton industry, the multitude of people dispossessed by the new eighteenth century enclosures, the existence of free institutions, the invention of the machines, and other causes interacted in such a manner as to bring about the Industrial Revolution. It has been shown conclusively that no one single cause deserves to be lifted out of the chain and set apart as the cause of that sudden and unexpected event.”