Trade explores the civilizing effect of buying and selling goods. In particular, the Indus Valley Civilization—on the borders of modern-day India and Pakistan—was seemingly created with the single purpose of encouraging the free flow of trade. The knock-on effects were massively beneficial—an increase in wealth, co-operation and trust.

Originally released by PBS, 2018. Streaming video file encoded with permission for digital streaming by Infobase on December 04, 2018.

Ancient Trade Evidence (4:47); --Mohenjo-daro (5:07); -- Indus Civilization Craftsmanship (4:15); -- Lohari Ragho Excavation (4:08); -- Indus Civilization Trade Nexus (2:30); -- Establishing Trust (5:23); -- Ancient Business Transactions (2:37); -- Indus Valley Urban Design (3:26); -- Dholavira Archaeological Site (3:44); -- Peaceful Civilization (4:03); -- Blueprint for Modern Civilization (2:17); -- Indus Valley Breakdown (5:37); -- Eroding Trade Trust (2:39); -- Credits: First Civilizations: Part 4 (0:30); .