10. Which of these best describes the decline of the Native American population during the time of European exploration an
 settlement?
 A) A rapid, massive decline beginning with the Spanish conquest of the Aztec Empire
 B) A rapid, massive decline beginning shortly after the arrival of Columbus in the New World
 IC) A slow, gradual decline beginning with the establishment of permanent European settlements in the Americas
 D) A slow, gradual decline following the first smallpox outbreak in the Caribbean