Marxism-Leninism is the name given to the form of Marxist theory that was accepted and taught by the Russian and Chinese Communist parties and the Communist parties associated with them. Marxism-Leninism is both a view of the world as a whole and of human society and its development. The view of human society is called historical materialism, the name bestowed upon it by Friedrich Engels. The view of the world as a whole is called dialectical materialism, a title devised by G. V. Plekhanov, the Russian Marxist, and first used by him in an article published in 1891. Marxist-Leninists regard dialectical materialism as the basis of their philosophy and generally begin comprehensive expositions of that philosophy with an account of it. One might say that dialectical materialism constitutes the logic, ontology, and epistemology of Marxism-Leninism, and historical materialism its ethics, politics, and philosophy of history. Sometimes, however...