Food offers many examples of cultural exchange: . Take spaghetti and noodles. It is believed that noodles travelled west from China to become spaghetti or perhaps, Arab traders took pasta to fifth-century Sicily. . Many of our common foods such as potatoes, soya, groundnuts, maize, tomatoes, chillies, sweet potatoes, etc., were not known to our ancestors but these foods were introduced in Asia and Europe after Christopher Columbus discovered America. . (Sometimes, the new crops could make the difference between life and death. Europe’s poor began to eat better and live longer with the introduction of the humble potato.