Knowledge, Growth and Greying
Before the Industrial Revolution men lived in a fairly equitable world. Depending on where they lived, there was indeed some difference, but that was more among the elites of the society. The standard of living of the average man was more or less the same everywhere. So was their knowledge level.
With improvement of knowledge, Europe started a new process of change in the then innocent world. It was the beginning of knowledge difference between men of different regions. If Jared Diamond is right,1 it was the knowledge difference that created the difference in wealth among nations. Finally, when the wealth of the affluent increased considerably, it was the beginning of greying of the developed countries. ...