Because a high percentage of the slaves died during the passage.
The Slave Trade
There wasn't toilets on the ships.
They were called the Roman Galleys.
the slave ships were wooden and they smellt horrible and the ships are really dirty.
There were at least 130 sea men on slave ships.
Because the meaning of tumbeiros is coffins.
Slaves were manacled and packed tightly into the holds of the slave ships.
slaves
large ships
Wood.
These large crowded compartments were commonly referred to as "holds" or "cargo holds," particularly in the context of ships. On trains, they might be called "cars" or "freight cars." In the context of historical slave ships, they were often termed "slave holds," where enslaved individuals were confined during transport.
Slave ships during the transatlantic slave trade typically flew the flag of the country that owned the ship, such as Portugal, Spain, England, or the Netherlands.