Answer: Stare decisis
Explanation:
Stare decisis is defined as the belief in which any legal case of past or history is compelled to be used in the form of reference for making decision on similar cases.In this mechanism, historical cases that have similar facts and plot with the present case should be approached and dealt in same manner.
According to the question, it obligates the Supreme court to use precedent sets as principle for making decision and ruling on similar cases.
