B. Businesses refuse to hire workers who demand high wages.
Explanation:
Karl Marx's belief in the economic system argued that capitalists do not give value to the workers and do not share profit with the labors or workers. The specialization of the labor force was decreasing and pushes wages down.
So, Karl Marx's predicted that if businesses refuse to hire workers with high wages according to their value, this can lead to revolution and can destroy or replace the free markets.
Hence, the correct answer is "B. Businesses refuse to hire workers who demand high wages".
