How did the actions of Bartolome de las Casa lead to the start of African slavery in the Americas?
A.
Bartolome de las Casa helped lead several American Indian uprisings against their forced labor.
B.
Bartolome de las Casa suggested that the encomienda system should be replaced with slave labor.
C.
Bartolome de las Casa introduced several new types of cash crops.
D.
Bartolome de las Casa built the first sugarcane plantations.