They invested in the inventors which prompted many people to take up inventing
Answer:
Explanation
This is a personal question
- I would focus on countries and their properties
Gold Trade and the Kingdom of Ancient Ghana
<span>Around the fifth century, thanks to the availability of the camel, Berber-speaking people began crossing the Sahara Desert. From the eighth century onward, annual trade caravans followed routes later described by Arabic authors with minute attention to detail. Gold, sought from the western and central Sudan, was the main commodity of the trans-Saharan trade. The traffic in gold was spurred by the demand for and supply of coinage. The rise of the </span>Soninke empire of Ghana<span> appears to be related to the beginnings of the trans-Saharan gold trade in the fifth century.
Hope this helps!</span>
the 1st one, 4th one and 6th one
