Answer:
The expansion of the African slave trade was a result of the demand for slaves in the colonial Americas.Tens of thousands of people were forcibly transported out of Africa to work on plantations, in mines and as domestic servants all over the Americas. The slave trade continued for hundreds of years, only ending in the nineteenth century. The slave trade increased because it was profitable. Those who controlled the trade - European slave-owners and traders, and African rulers and traders - benefited greatly from it. African rulers and traders were involved in the slave trade because selling slaves was a way to gain power and wealth.
Explanation:
He brought back $850 in his win that night in madison square garden
During the Neolithic revolution, people started settling in river valleys and establishing cities because they developed agriculture. It was of extreme importance for the development of human society because things like states were established and laws and people started developing basic science and things like that. Just look at how Egypt and Mesopotamia developed and how they influenced many other nations that came later.