". . . (It) brought the potato, the pineapple, the turkey, dahlias, sunflowers, magnolias, maize, chillies and chocolate across the Atlantic. On the other hand, tens of millions died in the pandemics of the 16th century, victims of smallpox, measles and the other diseases brought by Europeans (and don't forget that the African slave trade was begun by the Europeans, to replace the work force they had decimated).". . . Source: Michael Wood, BBC History (adapted)

Which historical development is being described in this quotation?

A-established of the line of demarcation

B-creation of the hanseatic league

C-Columbian exchange

D-glorious revolution