Final answer:
McCulloch v. Maryland established federal authority to create a national bank in the United States.
Step-by-step explanation:
The case that established federal authority to create a national bank is McCulloch v. Maryland. This case, decided in 1819, addressed the constitutionality of the Bank of the United States. Chief Justice John Marshall ruled that the federal government had the implied power to create a national bank under the necessary and proper clause of the Constitution. This decision strengthened the power of the federal government and its ability to regulate commerce.
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