Without the Columbian Exchange I wouldn't be writing this article with this IPad or I may not even be alive. America had many vegetables but the cows, pigs, and horses came from Europe. When America traded sugar cane sugar cane became a new favorite sweetener instead of honey. Thai curry will not be spicy if the spice had not came from south America. And something as small a spice can change whether if you lived or not. But this was not a "only good thing". Many fevers sickness came hich hiking on boats. The new disease in the new countries didn't match. If your used to the disease it won't be as bad as when your not used to it. Lots of people in the America's died because of this.