Answer:
The doctrine of stare decisis requires courts to follow authoritative prior decisions when ruling on a case.
Step-by-step explanation:
The answer is stare decisis because it is a principle that states that the same situations should be approach in the same form. According to this, a court has to adhere to the precedent that was established by another court as the decisions that have been taken by a court in the past turn into authority for similar issues that may arise later.