The Columbian Exchange refers to the widespread exchange of plants, animals, diseases, and ideas between the Americas and Afro-Eurasia following Christopher Columbus' arrival in the New World in 1492.
What impact did it have? In 1-2 sentences.
The Columbian Exchange had a profound impact on both the Old World and the New World, reshaping economies, demographics, and cultures as it introduced new crops, animals, and diseases to both continents.
