Answer:
b. the Columbian Exchange.
Explanation:
The transatlantic flow of people and goods such as corn, potatoes, horses, and sugarcane is called the Columbian Exchange.
The Columbian exchange or interchange, refers to the monumental flow of humans, plants and animals between the continents of North and South America and West Africa; and was named after Christopher Columbus.
The Columbian interchange has been documented to have taken place in the in the 15th and 16th centuries: also referred to as 'the old world'
