How Transportation Technologies Shaped Empires, Part 2: Human Spread and Limited Conquests
In this week’s free article (part 5 of the series around transportation technologies. Here are parts 1, 2, 3, and 4), we talked about some patterns of transportation technology and how it determined the size of empires. But transportation technology has also simply spread humans. Or limited their conquests—beyond just the size of their empires.
