Take a look at the following map of the American West. It is known as the John Wesley Powell map. Study it for a moment. The title is “Arid Region of the United States, Showing Drainage Districts.” A bland name, perhaps, but straightforward. The map’s author is one of the more important scientists in American […]
Tag: erosion
Malaria and Sugar in the Caribbean
My last blog entry began the story of how sugar, malaria, and the Columbian Exchange resulted in the living hell of slavery flourishing in the Caribbean. I described the economic reasons why this took place. Today we’ll examine some more implications of this development. It involves the combination of malaria and sugar. To read previous […]