potatoes was in the old world so that was a exchange from the old word to the new world the old word had to exchange that with us .
they exchange a lot of foods with us today like grapes and other fruits and tea if it wasing from theme we would't have that stuff
Christopher Columbus is the that find the new world and the one that made the exchange and found it
apples are from the old word it was one of the exchange to . and now it is is the new world for exchange
cows are from the new world that was one of the exchange to it is from are world and other types of meat