They were part of the Columbian Exchange as well as being disseminated by many other large trade routes. Potatoes became widespread and then turned into a necessity for the people in Europe to survive. Potatoes created a more nutritional diet as well as creating jobs and population booms everywhere the plant was grown.
Why was the potato important to the Old World?
More than that, as the historian William H. McNeill has argued, the potato led to empire: “By feeding rapidly growing populations, [it] permitted a handful of European nations to assert dominion over most of the world between 1750 and 1950.” The potato, in other words, fueled the rise of the West.
Did the old world bring potatoes?
But the Old World also gained new staple crops, such as potatoes, sweet potatoes, maize, and cassava.