Question

What are the items that traveled between Europe and the Americas as part of the Columbian exchange

Answer 1

There were many items:
From Europe to the Americas: Bananas, Barley, Cabbages, Chickens, Coffee,Cows, Horses, Lemons, Lettuce, Lilacs, Olives, Oranges, Peaches,Pears, Pigs, Rice, Sheep, Sugarcane, Turnips, Wheat  

From the Americas to Europe: Avocados, Beans (kidney, navy, lima), Bell peppers, Black-eyed Susans, Cacao (for chocolate), Chili peppers, Corn, Cotton, Marigolds, Papayas, Peanuts, Petunias, Pineapples, Poinsettias. Potatoes, Pumpkins, Quinine, Rubber, Squashes, Sunflowers,   Sweet potatoes, Tobacco, Tomatoes, Turkeys,Vanilla beans, Zinnias