GeoCurrents Is Back—And Another One-Question Map Geo-Quiz
The questions is simple: what does the Wikipedia map, reproduced here without the legend, show? The topic being mapped is once again commonplace, familiar to all readers. Hint: several of the color categories on the map represents a historical change from one condition to another, each of which are shown by their own colors.
The actual map, with an explanatory title and full key, will be posted tomorrow.