(i) Traders and travellers introduced new crops to the lands they travelled.
(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, chillies, sweet potatoes and so on were not known to our ancestors.
