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[–]jet199 2 insightful - 3 fun2 insightful - 2 fun3 insightful - 3 fun -  (1 child)

Someone gave the Irish that advice in the 1840s.

[–]raven9 2 insightful - 2 fun2 insightful - 1 fun3 insightful - 2 fun -  (0 children)

No they didnt. The Irish had been growing potatoes for hundreds of years by then. You are confused because in the 1840s a new strain of blight caused the potato crop to fail. Today we have blight spray and blight resistant potato varieties.