12 . Which best accounts for the change in the Native American population shown in the graph
above?
(A) Widespread warfare among the Aztecs and neighboring tribes
(B) Famine due to poor agricultural practices such as slash-and-burn agriculture
(C) Importation of new diseases from contact with Europeans
(D) The introduction of slavery into Mexico13 . In the 16th century, Europeans were able to conquer and control large numbers of natives in
Mexico using which of the following methods?
(A) Enslaving them
(B) Placing them on reservations
(C) Legalizing intermarriage
(D) Using superior technologies