Nomads is the right answer.
Anyone who moves from one place to another rather residing in one place is called the nomads. There can be many reasons for the migration of the nomads such as herders change places because of the weather( that is not suitable for their animals). whereas, other nomads including that of the traders and merchants, travels move for exchanging of their goods.
The Slave Coast is a historical name formerly used for parts of coastal West Africa along the Bight of Benin. The name is derived from the fact that it was a major source of African slaves during the Atlantic slave trade from the early 16th century to the 19th century.
The reason is that there is a water shortage happening there. They needed to conserve water and be supplied from sources. Right now there are strict measures in the use of water in that area to ensure that it does not go to waste.
E because it helped form democracy and democracy is a separation from a dictatorship
