Use the passage below to answer the following question: Freeman and slave, patrician and plebeian, lord and serf, guild-master and journeyman, in a word, oppressor and oppressed, stood in constant opposition to one another, carried on an uninterrupted, now hidden, now open fight, a fight that each time ended, either in a revolutionary re-constitution of society at large, or in the common ruin of the contending classes.—The Communist Manifesto, by Karl Marx Why might Robert Owen have disagreed with this passage from The Communist Manifesto, by Karl Marx and Friedrich Engels?