Identify and explain a Supreme Court case that is considered a landmark decision. Provide details of the case. How does this decision impact the constitutional rights and daily life of American citizens?

The case was a u.s. supreme court decision that defined the scope of the u.s. congress's legislative power and how it relates to the powers of american state legislatures. the dispute in mcculloch involved the legality of the national bank and a tax that the state of maryland imposed on it.