(i) Traders and travelers introduced new crops, to the lands they traveled.
(ii) it is believed that noodles traveled west from China to become spaghetti.
(iii) Arabs traders took pasta to 5th century Sicily, an island now in Italy.
(iv) Many of our common foods such as potatoes, soya, groundnuts, maize tomatoes, chilies, sweet potatoes and so on were not know, to our ancestors.
