1. The Columbian Exchange

2. The Columbian Exchange
The transfer of various goods between the Eastern and Western Hemispheres
Plants, animals, germs etc that previously did not exist in one hemisphere were transferred there by the explorers and colonists

3. The Columbian Exchange
Europeans, from the eastern hemisphere, introduced
Horses
Cows
Pigs
Onions
Coffee beans
Iron making technology
And many diseases
to the western hemisphere
Germs and Diseases brought to the Americas by the Europeans Killed and estimated 60 million Native Americans