How do I apply McCulloch v. Maryland in an exam?

McCulloch v. Maryland [1819]

17 U.S. (4 Wheat.) 316 (1819) · Supreme Court of the United States · United States

Defines broad federal implied powers and anti-interference principles.

Maryland taxed the Baltimore branch of the Bank of the United States.

Did Congress have power to charter the bank, and could Maryland tax it?

Congress had implied power to create the bank, and Maryland could not tax it.

Congress may use implied powers reasonably adapted to enumerated powers; states may not impede valid federal operations.

The Necessary and Proper Clause allows useful means to carry out enumerated powers, and federal law is supreme over conflicting state action.

Defines broad federal implied powers and anti-interference principles.

Review the ratio and reasoning before applying this case in problem questions.