Question

What was the effect of the Supreme Court case McCulloch v. Maryland?


It helped local governments use direct democracy.
It denied states the right to control local governments.
It supported the strength of local governments over states.
It legitimized the power of the national government over states.
It showed how the national government’s power needs to be checked.

Answer 1

There were several effects, but the main effect was that "It legitimized the power of the national government over states" since it forbade states from taxing outside currency. 

Answer 2

I believe the answer is: "It legitimized the power of the national government over states

The case of McCulloch vs. Maryland revolve around the taxation fee that the state of Maryland gave to McCulloch by using the state power to tax any business within its borders.

McCulloch refuse that payment since he already paid his taxes to the Federal government, and the court ruled out that the national government has a supremacy over the states and protect McCulloch from paying his taxes twice.