What term was used to describe the rough divide between free and slave states by the mid-1800s? a. the lincoln-douglas line b. the mason-dixon line c. the cotton curtain d. the slavery line

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.