The Colombian Exchange
Tomatoes is an product from the new world and its been traded back to the old world. Tomatoes are very important because the old world and the new world used them products to make pasta and pizza and tomato sauce and ketchup.
Bananas is an fruit that comes from the old world to the new world. Without fruits there will be no way that we can get healthy/ vitamins or protein. Bananas are really healthy for us to eat.
The smallpox was an decease that came from the old world and it came to the new world and peoples amuse system are not use to it and they start dying.
Tobacco is an bad substance that can make your teeth decay and it can mess up your mouth. Tobacco was a substance that people smoke and they can chew.
potatoes is an substance that comes from the old world to the new world.