What cultivated plants did Europeans bring to America and what kind did they bring from there to Europe?

Europeans brought to America: wheat, oats and other grains; flax and hemp; apple trees, peaches and other fruit trees; melons, sugarcane, coffee and bananas. They exported from America: potatoes, corn, sunflowers, tomatoes, many varieties of beans; pineapples, cocoa, red peppers, and tobacco.

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