how many native americans died from the columbian exchange

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- The westward spread of zebra and quagga mussels shows how tiny invaders can cause big problems
  The Conversation via Yahoo News· 2 years ago
  A boat propeller encrusted with zebra mussels. NPS/FlickrThe zebra mussel has been a poster child...
- Meet the American who cooked up ketchup, Dr. James Mease, patriot with passion for 'love apples'
  Fox News via Yahoo News· 1 month ago
  Dr. James Mease was a Philadelphia intellectual born to a veteran of the American Revolution. In...
- Explorer Christopher Columbus and His Namesake Holiday Are More Polarizing Than Ever
  Biography via Yahoo News· 8 months ago
  Italian explorer Christopher Columbus discovered the “New World” of the Americas on a 1492...
- Croissants aren’t French and pizza sauce isn’t Italian – the national dishes that aren’t from where...
  The Independent via Yahoo News· 2 months ago
  FOOD FOCUS: A food historian has kicked up controversy after claiming that there is ‘no such thing’...