What is the key switch a society makes when it shifts from industrial to postindustrial

the answer is A. switches from producing manufactured goods to producing services ;-)

from my own personal expirence food stamps has alot this makes it eaiser so we can affod bills and so we can life a better lifestyle not needing to worry about paying actual money to buy food since most people spend 100-300 dollars a month on food so this alot so we can afford other bills and other stuff we need

answer; andrew jackson approved nullification by signing it into law,and john calhoun opposed it saying it was unconstitutional;