126. ECONOMIC INTERPRETATION OF HISTORY.—Formerly a great principle of socialism was the claim that all history has been determined by economic forces. According to this view, our whole social and political life, including our basic ideas concerning religion, art, science, and government, are only the reflected result of economic forces. History, Marx contended, is the record of how one class has gained wealth and power at the expense of another class. The present state of society, he asserted, is the result of the exploitation of the masses by a few.

With this principle we need not further concern ourselves. It is an academic appendage to the socialist doctrine, and at the present time is not stressed by socialists. The majority of socialists now concede that while economic forces have been important in history, social, religious, and political forces are also important. In view of this admission, the chief importance of the doctrine of the economic interpretation of history is its theoretical connection with the two great cornerstones of socialism: the theory of surplus value, and the theory of class struggle.

127. THEORY OF SURPLUS VALUE.—Marx claimed that practically all wealth has been created by the laborers alone, and that all persons other than laborers are parasites. To those who have carefully studied Chapter VIII the error of this claim must appear self-evident, nevertheless, this concept of value is the basis of all socialist attacks upon government and industry. Marx developed this theory as follows:

The