What is the Colombian Exchange?
The Colombian Exchange was a massive exchange between the New World and the Old World (Europe). They exchanged animals, plants, foods, diseases, and people. Many People from the Old World traveled and settled in the New World. The immigrants brought with them many diseases, which led to many deaths in the New World. Europe go the better deal in this exchange.

Why Did Europe win Colombian Exchange?
  • Potatoes
  • Tomato (sauce)
  • Swiss and Belgium Chocolate (cocoa beans)
  • Corn
  • Peanuts
  • Chili peppers
  • Tobacco
  • Many other plants
  • Immigrants(less populated areas, more food, not as bad economy)
  • Avocados
  • Kidney, navy, lima beans
  • Bell peppers
  • black-eyed Susans
  • Cacao (for chocolate)
  • Cotton
  • Marigolds
  • Papayas
  • Petunias
  • Pineapples
  • Poinsettias
  • Pumpkins
  • Quinine
  • Rubber
  • Squashes
  • Sunflowers
  • Sweet Potatoes
  • Turkeys
  • Volcanic Activity
  • Deforestation, building things which also causes pollution

Sources:
http://www.cato.org/pubs/journal/cj27n1/cj27n1-8.pdf
http://www.scholastic.com/teachers/article/columbian-exchange