State & history
What destroyed the potato crop and caused the Great Famine in Ireland from 1845?
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A A ten-year drought
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✓ Potato blight, a plant disease
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C A plague of locusts
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✕ A volcanic ash cloud Your answer
Not quite.
Potato blight ruined harvests from 1845, and many people depended on potatoes for food. About one million people died and about another million emigrated.
Source: Encyclopaedia Britannica: Great Famine (Ireland); National Archives of Ireland