What was an effect of the movement of foods like corn and patatoes from the western hemisphere to the eastern hemisphere

Food slike corn and potatoes that are native to the "americas" and cultivated by indigenous people were taken to Europe where the potato allowed the population in Europe to increase because it was an easy-to-grow and hearty food item. Corn was often used in Africa and fed many hungry and starving populations in Africa.

these conditions long with a short growing season made farming difficult.

explanation:

the north has a climate of warm summers and snowy cold winters. the terrain is rocky, hilly, and not good for farming.

a.) d-day invasion of normandy.

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