Question

illustrate with the example the food offer many opportunities of long distance culture exchange

Answer 1

Yaa that's right because our brain never forget about tasty food and demand for again so that a person take some sample of food or learn to prepare that food of a country in his own country and led to increase in the cultural exchange of two countries :)

Answer 2

Answer:

Many of our common foods such as potatoes, soya, groundnuts, maize, tomatoes, chilies, and sweet potatoes and so on were not known to India until about five centuries ago. These foods were only introduced in Europe and Asia after Columbus accidently discovered America.