The Vice President is the president of the Senate
he votes when there's a tie.
Amendment 10 sets up a system of reserved powers which gives all powers not granted to the central government to the states for example, marriage laws, building roads, collecting taxes, etc.
Answer:
I'm pretty sure the answer is... It is the role of the courts to interpret and apply the law, and the Constitution is the highest law. This all ties back to judicial review where the courts can label something unconstitutional also ties back to checks and balances where each branch has a specific power and job.
The answer is B for a higher education