Kwa nini biashara ya kimya kimya ilifanywa na wafanyabiashara wa Trans-Sahara?

Huu hapa ufumbuzi wa maswali yako: Here is the English translation: 4. Why silent trade was conducted by Trans-Saharan traders: To avoid conflicts or wars between different tribes that did not understand each other's language or culture. To protect the secrets of important commodity sources, such as gold, from other traders. 5. Two uses of copper in Africa: To make jewelry and ornaments such as bracelets, beads, and rings. To make small tools, household utensils, or as a medium of exchange (currency). 6. Two characteristics of Roman roads: They were built using many layers of stones, gravel, and sand, and often had a hard stone surface. They were straight and connected cities with important military and economic centers, featuring good drainage systems. 7. Two characteristics of Macadam roads: They were built using layers of carefully crushed and compacted small stones. They had a slight slope in the middle to allow water to drain to the sides, and initially did not have asphalt. That's 2 down. 3 left today — send the next one.