he sponsored a great deal of exploration along the west coast of Africa. Under his patronage, Portuguese crews founded the country's first colonies and visited regions previously unknown to Europeans.
Pretty sure its all about family most of them are born into royalty
The correct option is option D. A location among Indian coast trade routes, this since Kilwa and Mombasa were commercial cities, they had access to a big and prosperous market. They arose along the East African coast.
I think it's B
Hope this helps...