Which of the Following Is Not a True Statement About

Which of the following is not a true statement about Spanish colonies in North America?

A) The exchange of diseases wiped out nearly 20 percent of the world's population in the 15th and 16th centuries.
B) The Spanish enslaved Native Americans and forced them to work in gold mines.
C) The Spanish settlements remained primarily in the Caribbean and coastal regions of North and South America.
D) They used the encomienda system, requiring Indian villages to pay a tribute in gold or slaves to Spanish conquerors.
E) In his criticism of the conquistadors' brutality, the priest Bartolomé de las Casas suggested expanding African slavery to reduce mistreatment of Native Americans.