Compared to the Intra-African Slave Trade That Preceded It,the Transatlantic

Compared to the intra-African slave trade that preceded it,the transatlantic slave trade was more

A) humane because African captives were treated well since they were so valuable.
B) focused on buying and selling female slaves than male slaves.
C) closely regulated by European governments for compliance with fair trading practices.
D) brutal and more deadly, as African slaves shipped to the Americas were often worked to death.