The spreading of the plague

TigerHawk has a graphic map that shows how quickly the bubonic plague spread in Europe. It is too bade that it does not show Asia too, since that is where the plague originated. It spread though the fleas on the backs of rats which hitched rides on Mongol trading caravans. It ultimately destroyed the Mongol empire and free trade with the East for centuries.

If you look at the chart you can see that it spread from the southern trade routes. One of his commenter's also points out the importance of controlling borders in controlling the spread of this type of epidemic.

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