50 points! honors american government: states' rights and the division of powers in mulloch v. maryland (1819), a bank manager refused to pay an unfair state tax on a federal bank. he was convicted in maryland, but the supreme court reversed the decision. it ruled that the state tax would have had the effect of making state law superior to the federal government. this ruling is an example of which clause in the constitution? a. necessary and proper clause b. supremacy clause c. expressed powers clause d. federal clause