What reasons might have led some Europeans in the sixteenth and seventeenth centuries not to see “the decline of the . . . native population . . . as a tragedy?” (This quote is from DBQ Set - Document 9.) Use information from the document set to help with your answer. Might any of those reasons still be offered today? Why or why not? If any are, then which? If not, what changed between then and now that might make a difference?