I haven’t researched this much, but i do know that there were no beds for the slaves, they were chained to the ground shoulder to shoulder, typically unclothed. a lot would vomit from seasickness, terror, or lack of nutrition, and a good portion of them died before getting to their destination.
The answer is C hope this helps
The Finland in the west to Siberia's Pacific Coastline to the east.
The name is Pre-Cambrian era