| European overseas expansion led to the contact between the Old and New Worlds producing the Columbian Exchange, named after Columbus. |
| To ecologists, the Columbian Exchange is arguably the most important event since the death of the dinosaurs. |
| The population decline was primarily the result of communicable diseases, particularly smallpox, introduced during the Columbian Exchange. |
| The Columbian Exchange is less lopsided than it used to be, he pointed out. |
| The Columbian Exchange has shaped everything about the modern world. |
| Tobacco was one of the luxury goods which was spread as a direct result of the Columbian Exchange. |
