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.

In one work, this thinker states that if the negro were stronger than the European, then Europe would have been divided by Africa. That work warns against the danger of humanitarianism and is called Les Systemes Socialistes. The instinct for combining and the persistence of aggregates are two of six residues that he hypothesized must be balanced by a ruling government in his Treatise on (*) General Sociology. This author of The Transformation of Democracy created a law for the logarithmic distribution of income and a namesake eighty-twenty principle. For 10 points, name this Italian economist whose namesake optimality occurs when no agent can be made better off without hurting another.
Output:
Social Science