Causes

It had been raining a lot, even more than usual for Ireland. In October 1845, almost overnight, a dense blue fog settled over our puddled potato fields. An odor of decay permeated the air. When the wind and rain died away, there was a terrible stillness. The potato crop was ruined, destroyed (we learned later) by the fungus Phytophthora infestans. 

John Davis Cantwell, A Grandfather's Account of the Irish Potato Famine

Considering the Causes

Potato Blight

Population and Land Subdivision

British Administration

The Social System

Four Corners Activity

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Resource Padlet

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