Part 2-Chapter 9.1-9.7

Part Ⅱ: Discovering hte Variety of Human Experience
Chapter Ⅸ:  What Contact Did They Have? Trade and Exchange
9.1 The Study of Interaction ---- 00:00
9.2 Finding the Sources of Traded Goods: Characterization ---- 23:04
9.3 The Study of Distribution ---- 50:19
9.4 The Study of Production  ---- 64:14
9.5 The Study of Consumption ---- 68:52
9.6 Exchange and Interaction: the Complete System ---- 72:42
9.7 Summary ---- 89:13