Which of the following phrases best describes the columbian exchange?

The Columbian Exchange was the transfer of new goods and ideas between Europe, Africa, and the Americas.

Explanation:

The Columbian Exchange was an important event in the history of the ecology, agriculture and culture of our world. The expression is used for the enormous exchange of agricultural varieties, diseases and cultures between the Old World and the New World after the discovery of America in 1492. In that year, Christopher Columbus' voyage of discovery led to an era of widespread contact between the Eastern and Western Hemisphere. The term was first used by historian Alfred W. Crosby in his The Columbian Exchange from 1972. Hereafter this name was adopted by other historians and by journalists, making it widely known.

the answer is b. hope this !