An example is with the fact that the Supreme Court can rule laws unconstitutional by using the power of judicial review. Additionally, the supreme court can declare presidential acts unconstitutional. On the other side, Judges can be impeached by congress and removed from the bench and have its decisions overturned as well. Furthermore, the executive branch not the judicial branch has the power to appoint judges to the supreme court. With this in mind, in times of conflict the President has the power to pardon individuals convicted of crimes. As can be seen, the Judicial branch consists of numerous checks and balances that limit its power and the power of other branches.
To ensure no single branch would have too much power the three branch system came with a series of check and balances. The executive branch enforces the laws, the legislative branch makes the laws, and the judicial branch interprets the