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.

This work cites Proudhon's Philosophy of Poverty as an example of a form of a philosophy to which it claims economists, philanthropists, and humanitarians belong. Its second section advocates a ten-point program which calls for the establishment of industrial armies as well as free education for all children in public schools. That section follows one which examines the history of the (*) bourgeoisie and the proletarians and claims that the history of society is a history of class warfare. For ten points, name this work authored by Friedrich Engels and Karl Marx, which discusses how the problems of capitalism would be solved by adopting socialism and eventually the title ideology.
Social Science

Vaihinger discussed the relation between Swedenborg and this man's concept of two worlds, in a commentary on this man's Dreams of a Spirit Seer. He proposed the creation of a league to mediate international disputes in his essay "Perpetual Peace," and defined ratiocination as the judgment of a predicate with its subject in "The False Subtlety of the Four Syllogistic Figures. " He defined his best-known concept by claiming that nothing can be called good without qualification "except a good will" in his Foundations of the Metaphysics of Morals. For 10 points, name this author of The Critique of Judgment and Critique of Pure Reason who created the "categorical imperative. "
Social Science

The first of these objects was discovered in 1920, but was not classified until the 1970s. That object was Hidalgo. Recently, the first binary pair of these objects was discovered. It consists of Echidna and Typhon. Charles Kowal discovered the first of these objects, which was later reclassified after the discovery of ice-jets emanating from it. The unstable orbits of these bodies are caused by the perturbation of a nearby planet. These bodies are believed to originate in the Kuiper Belt and examples of them include Echeclus, Chariklo, and Chiron. They exhibit behavior that is in some ways a hybrid of asteroids and comets, hence their name. For 10 points, name these icy planetoids that orbit between Jupiter and Neptune, named after Greek mythological half-men half-horses.

Science