In mcculloch v. maryland, the supreme court ruled that congress

In McCulloch v. Maryland, the Supreme Court ruled that Congress had the power to establish a national bank, as one of its "implied powers", and it also asserted again that the Constitution's laws are supreme and can't be controlled by the states.

Explanation:

The conflict of the McCulloch v. Maryland case (1819) originated when James W. McCulloch, a cashier of the Baltimore branch of the bank, refused to pay a tax that the state of Maryland imposed on The Second Bank of the United States. In Court, the state of Maryland appealed that the establishment of the Second Bank was unconstitutional since the Constitution didn't say anything about granting that power to Congress.

However, the Supreme Court determined that Congress indeed had the power to establish a national bank, as one of its "implied powers" supported by Section 8 of Article I of the U.S. Constitution because the bank would help to carry out the government's functions, and it asserted that the Constitution's laws were supreme and could not be controlled by the states.

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