Final answer:
Milton Friedman's theory aligns most closely with the belief that addressing economic and legal issues satisfies the demands of society.
Step-by-step explanation:
The economist's theory that aligns most closely with the belief that addressing economic and legal issues satisfies the demands of society, while trying to anticipate and meet additional needs would be almost impossible, is Milton Friedman. Friedman was a prominent advocate for free-market capitalism and the importance of businesses focusing on their core economic responsibilities rather than expanding into areas beyond their expertise.