Networks of Exchange (1200–1450)
Three major trade networks connected the civilizations of Afro-Eurasia, facilitating the exchange of goods, ideas, technologies, and diseases.1. The Silk Roads (Land-Based)
2. Indian Ocean Trade
3. Trans-Saharan Trade
Comparative Analysis:
| Feature | Silk Roads | Indian Ocean | Trans-Saharan |
| Medium | Land (caravans) | Sea (ships) | Land (camel caravans) |
| Key technology | Caravanserais | Monsoon knowledge | Camel saddles |
| Disease spread | Bubonic plague (1340s) | Limited by ocean | Limited by desert |
| Volume | Luxury goods | Bulk + luxury | Gold and salt |