You will be given a definition of a task first, then some input of the task.
In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

People escaping during this event utilized the McCorkell Line to seek passage to Canada and US. In the country where this took place, it is referred to as ""an Gorta Mor"" or ""an Drochshaol. "" One response to this event was Robert Peel's decision to repeal the Corn Laws. Thought to be caused an oomycete known as Phytophthora infestans, this event resulted in approximately a million deaths. For 10 points, name this massive dying caused by a blight, which affected a particular crop in the 1840's and 50's in Ireland.
Output:
Social Science