What's the Difference Between Slavery and Feudalism?

Slavery makes one group of people, the slaves, do all the work. The surplus they produce is big enough that another group of people can take it for themselves. In feudalism, mark says it's kind of different, but similar. It's different in since nobody's a slave, but it's the same because a small number of people get the surplus produced by the mass of the workers,. who are called serfs. And now marks draws the implication for us capitalism. He said, was very critica of slavery. Very interesting.