how many Native peoples resided in the Americas important, or should historians be addressing other issues? Explain your position.

The Unfinished Nation- The Meeting of Cultures.pdf 
  Eurpopean colonization of America and decline in world population 
  Pre-Columbian population.pdf 
  1491: The Untold Story of the Americas before Columbus. 
  Climate changed after Europeans killed many indigenous Americans 

I agree, it’s important to me based on what I read