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.