1. The Materialistic Conception of History.
2. The Law of Surplus Value.
3. The Class Struggle—the third being a necessary consequence of the first two.
Now the Materialistic Conception of History was independently discovered by Engels just as Darwinism was by Wallace, as you will see by reading Engels' preface to the Communist Manifesto. But just as Wallace gave Darwin all the credit, so Engels did to Marx.
FOOTNOTE:
[1] This essay was originally prepared for and delivered as a Lecture before the Young Mens' Socialist Literary Society, an organization of Jewish Socialists on the lower East Side of New York city, in the early part of the winter of 1899-1900.
