The impact was that it helped the slaves get cotton much faster. Since they were hand picking cotton the cotton gin was helping remove the seeds and separate much faster then they could this helped get slaves to get more production instead of what work they were doing before since they were much slower and would get tired due to how exhausting it could be
It was the landmark case "Marbury vs. Madison" that allowed the Supreme Court to claim the power of judicial review (the authority to declare a law unconstitutional), since this now acts as one of the major "checks" the court has on the legislative branch.
