New PBS Series "First Civilizations" Has Interesting Episode On Trade

Here is a summary of the episode.

"Examine an ancient civilization unlike any other, that of the Indus Valley. Rather than imposing order through war or religion, it relied on the free flow of trade. The exchange of goods promoted wealth, co-operation and trust."

Click here to go to the list of episodes. There should be a link that will allow you to watch it. Highly recommended.