I think it’s b
Hope this helps
A cash crop was things like cotton. it was produced rapidly and it was valuable. they could make tremendous amounts of money in a short period.
Answer:
The kingdom of Songhai, also spelled Songhay, West Africa's great trade state, focused on what is now central Mali on the middle reaches of the Niger River and gradually spreading west to the Atlantic coast and east to Niger and Nigeria.
While the Songhai people are said to have settled in the city of Gao about 800 CE, during the reign of the dia Kossoi, a Songhai convert to Islam, they did not consider it as their capital until the beginning of the 11th century. During the next 300 years, Gao prospered and expanded so much that the rulers of Mali added it to their kingdom from 1325 to 1375.
Rene Decartes was a French philosopher born in 1596 a time when many long held benefits where changing. His new way of thinking led him to decide to doubt everything until he could prove it. His goal was to achieve certainity through methodical and logical questioning.
