The Columbian Exchange
The columbian exchange was very important it helped the new world get new things and old world get new things. so it was a good thing.
Potato is a good thing because of frinch fries potato effected the world extremely good.
tamato are very important cause we wouldnt beable to do nothing.
they are important because we still use them from this day and from old world.
important and came from old world help us have sweet stuff.
pigs are important and came from old world we eat them .