The Supreme Court and other federal courts (judicial branch) can declare laws or presidential actions unconstitutional, in a process known as judicial review. By passing amendments to the Constitution, Congress can effectively check the decisions of the Supreme Court
Answer:
-Promoted natural Laws.
-Separate branches and Senate.
-Allowed all citizens to submit laws.
-Outlaw Slavery.
-Allowed citizens to charge wrongdoers.
Mainly, it was the help of the apostles, like Paul and Peter. They spread the news into the roman Empire, and people like Cornelius believed.
The reason that federal courts do not try these cases is because there are already special courts just for these types of cases.