Marx's theory focusing on conflict between capitalists and workers over labor and production, driven by the capitalist desire for low labor costs and workers seeking higher wages. rephrase like a 8th grader same word length

Marx believed that there is constant disagreement between business owners and employees. The rich business owners want to pay the workers less money, while the workers want to earn more. This fight is all about how much work people do and how much they get paid for it.