A famine in Ireland due to the appearance of a water mold killed many people. This was also known as: a) the Potato Blight; b) The Great Famine
The name of the disease that caused The Great Famine in the last century in Ireland was "The Potato Blight." The disease affected potatoes not people - the illnesses and deaths of the starving peasants were caused by the destroyed potato harvest. The blight (we still have it today in a different form, but we have resistant varieties now) attacked healthy potatoes stealthily and spread rapidly from one county to the next. the blighted potatoes smelled very rotten and unpleasant. The Irish had been forced to live peasant crofting subsistence lives, had forgotten techniques for raising other crops and therefore relied almost totally on the potato. without it they starved to death. England refused to help with Corn relief. it was a desperate time,hated and never forgotten.
I think that the better answer, just given the way that the question is worded, has to be B -- The Great Famine. I only base this on the wording of the question, though, because you really could argue that both of these are the right answer. Here's why:
The horrible famine that hit Ireland in the 1840s was called the Great Famine. This is the one that caused so many Irish to emigrate to the US.
But the Great Famine was caused by potato blight. So you can argue that potato blight is the right answer.
But if you look at the question, it seems to refer to the famine and not to the cause of the famine. It seems that it is asking for what the famine is called, which means B has to be right.