Silk Road merchants: These were traders who conducted trade along the Silk Road, an ancient network of trade routes that connected Asia with Europe.
Trans-Saharan caravan traders: Refers to merchants who traveled across the Sahara Desert in caravans, exchanging goods between North Africa and Sub-Saharan Africa.
Mediterranean sea traders: These were merchants who conducted maritime trade in the Mediterranean Sea region, connecting various civilizations such as Rome, Egypt, and Phoenicia.