What did the 3/5ths compromise make in terms of the number of representatives for the states

It allowed southern states to count 3/5 of the slave population as population for representatives.

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.