Final answer:
The term 'Columbian Exchange' refers to the widespread trading and cultural exchanges between the Eastern and Western Hemispheres that Crosby identified in 1972.
Step-by-step explanation:
In 1972, Crosby chose the term Columbian Exchange to identify the widespread trading that took place between the Eastern and Western Hemispheres. The Columbian Exchange refers to the exchange of commodities, cultural practices, and technology between the Americas and Europe/Africa, a process that has profoundly impacted both hemispheres economically, culturally, and agriculturally. The term does not specifically describe the Triangular Trade, which was a specific trading system involving three stages covering Europe, Africa, and the Americas. This trading system operated from the late 15th through the early 19th centuries and included exchanging European manufactured goods for African slaves, transporting slaves to the Americas, and then returning to Europe with agricultural produce from the plantations.