What are two things southern whites did to circumvent the fifteenth amendment

1)They made it so only property owners had the right to vote.2)They established a poll tax to make it too expensive to vote.3)They segregated voting locations to know which votes to toss out.4)They put into force a literacy requirement for the right to vote.
 it is 2 and 4

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.