Give three examples of different types of global exchanges which took place before the 17th century, choosing one example from Asia and one from the America

[prasanna]

Three examples of different types of global exchange
(i) Before 17th century, China exported silk and pottery in exchange of textile and spices from India and south east Asia.
(ii) America traded in goods, crops, minerals with other countries.
(iii) Exchange of Labour-from Asia to Africa.