Answer:
judicial review
Explanation:
The process that is occurring when a court invalidates a law for being unconstitutional is known as JUDICIAL REVIEW.
A good example was the Judiciary Act of 1803 which was established o Marbury v Madison. In this case, the court decided that the acts of Congress infringe the Constitution or it is unconstitutional.
A competitive market, should be your correct answer. Hope this helps:)
Yep thewintershoulder is right. there might be more.