The correct answer is letter B. In Federalism, there are things that only the federal government can do, and other that only the states can do. But there are also some things that both federal government and states are able to do, and among them there's the power to build roads. Other examples of shared duties is<em> creating and collecting taxes, borrowing money, making and enforcing laws, etc. </em>
The correct answer for the question that is being presented above is this one: "C. We marginally consume goods and services when the price exceeds the cost." The statement that is the economic rule that explains why we stop purchasing goods and services after we have consumed some is that <span>We marginally consume goods and services when the price exceeds the cost.</span>
The legal concept under which the supreme court has nationalized the bill of rights by making most of its provisions applicable to the states through the 14th amendment is called The Incorporation Doctrine.
Hope this helps.
Take care,
Diana
