At last, when the ship we were in had got in all her cargo, they made ready with many fearful noises, and we were all put under deck, so that we could not see how they managed the vessel.
Read the excerpt from Aboard a Slave Ship above. What is the cargo that Equiano refers to?
I'm not sure, but I would think it's people because judging by the Exceprt name; so the answer is people. Also, try reading before and after to get more information.