Article III - Established the third branch of the government. The Judicial Branch.
The Judicial Branch is broken up into federal,state, and local courts. Section 1 sets up the court system and how many courts there are. It sets up the tenure and salary of the Court justices and such. Section 2 sets up judicial power, the power of judicial review, and it sets up the system of trial by a jury. Section 3 defines treason and its punishments.