Historically, I choose Marbury vs Madison when the SCOTUS told everyone THEY were the FINAL say in what is Constitutional and what is not. Every other power had checks and balances.

Then they doubled down by preventing Soverein States from seceding, even thou the Constitution is silent on the issue. The Tenth Amendment clearly said that powers not enumerated or prohibited were reserved to the States or to the PEOPLE.

Then they instituted the Income Tax as a TEMPORARY measure to pay for the illegal war against the Southern States. At least they did do it Constitutionally, if you say that stripping Southern men of their right to vote so carpetbaggers were the only voters that counted is OK.