Slavery has been endemic throughout history. It is noted in the Bible. It endured in China, especially under the Mongols. Slav - Slave.
Baker, who along with Speke are known for their exploration of the Nile, was married to a European woman with long blond hair who he bought at an Arab slave market in Romania. Reparations? Instead, offer American Blacks who are unhappy a payment of ten grand and a free ticket to Africa. As Marcus Garvey found out, there would be few takers.
Marcus Garvey founded the Black Star Line shipping company.
It consisted of ships purchased with contributions from Garvey’s followers - who were hired to work as crew for the ships.
The Black Star Line went bankrupt because its employees pilfered anything of value on the ships that wasn’t welded down.