Europeans move to the United States in the 1800s because Diseases destroys potato crops in Ireland. Thus, Option B is the correct statement.
What disease caused Ireland's potato famine?
Phytophthora infestans is a destructive plant pathogen best known for causing the disease that caused the Irish potato famine, and it is still the most expensive potato pathogen to manage globally.
Thus, Europeans move to the United States in the 1800s because Diseases destroys potato crops in Ireland. Thus, Option B is the correct statement.
Learn more about Ireland's potato famine here:
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