The economist(s) that thought that government should stay out of economic decisions, that the economy should be guided by the forces of supply and demand alone is option A: John Maynard Keynes
John Maynard Keynes main ideas were critical of capitalism and its flaws. Marx believed that capitalism would eventually self-destruct. A classless society would be established as a result of the alienated, oppressed workers overthrowing the owners and seizing control of the means of production themselves.
Therefore, Keynes claimed that the only entity that could spend the money that firms and individual consumers could not in order to break the cycle was the government.
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