Which action is an example of judicial review?
(1) congress increased the number of justices on
the supreme court.
(2) the supreme court declared part of the
judiciary act of 1789 unconstitutional.
(3) the supreme court heard a case involving a
united states ambassador.
(4) the chief justice presided over the impeachment trial of president andrew johnson.

The correct answer is 2. An example of judicial review is "The Supreme Court declared part of the  Judiciary Act of 1789 unconstitutional."

Explanation:

Judicial review is a process under which administrative and legislative actions are subject to review by the judiciary. A court with judicial review power can override laws and decisions that are incompatible with a higher authority; An executive decision can be invalidated because it is illegal or a law can be invalidated by violating the terms of a written constitution. Judicial review is one of the checks and balances in the separation of powers: the power of the judiciary to supervise the legislative and executive branches when they exceed their authority.

Judicial review was created by the ruling in Marbury v. Madison, which granted the power of judicial review to the Supreme Court.

the situation that best illustrates the principle the rule of law is the letter "c" which is when an a powerful government official is arrested for breathtaking the law.

is there even a question here? you seem to have the answer and there is no quote to look at.