Which of the Following Is True About the Colonization of the Atlantic

Which of the following is true about the colonization of the Atlantic islands by the Portuguese?

A) The colonized the Canary and Madeira Islands.
B) They initiated a process of conquest and exploitation that would be repeated in the New World.
C) They established a brutal plantation system that relied on slave labor.
D) Slaves were taken from among the native population as well as from Africa.
E) All of these are correct.