What was the columbian exchange? a. the payment that spain made to christopher columbus for his voyage b. the traffic of goods and ideas between europe and the americas c. the treaty that divided the americas between portugal and spain d. the slave trade practiced among the kingdoms of west africa

The columbian exchange was the traffic of goods and ideas between Europe and the Americas during the 15-16th centuries. after Christopher Columbus supposedly discovered the americas, many did the same of coming over and bringing along goods such as plants, animals, ideas, and diseases that later on spread as an epidemic. 

-hope this helps!