Final answer:
McCulloch v. Maryland is the case that established federal authority to create a national bank.
Step-by-step explanation:
The case that established federal authority to create a national bank is McCulloch v. Maryland.
McCulloch v. Maryland was a Supreme Court case decided in 1819. The case involved the constitutionality of a federal bank and whether the state of Maryland had the power to tax it. The court ruled that the federal government did have the authority to create a national bank under the Necessary and Proper Clause of the Constitution.
By establishing the federal authority to create a national bank, McCulloch v. Maryland helped solidify the idea of implied powers and the supremacy of the federal government in issues related to banking and finance.
Learn more about Federal authority to create a national bank