I think it's b himalayas. Hope this helps
Answer:
<em>A.The climate of Kush was more pleasant.
</em>
Explanation:
<em>The land in Kush was more fertile. The climate of Kush was more pleasant. There were many gold mines in Kush</em>
The two types of farm owning developed slavery because the owners of them were allowed to have slaves. The encomienda system was based on the idea that conquerors should have slaves to work for them, and it similarly applied to sugar colonies that had slaves on them. They were responsible for a lot of trafficking of slaves from Africa.