Based on sociological studies, Lia has not had alcohol since her rehab program for over two years but then started drinking again after her mother's death. This is known as Relapse.
Relapse is a period in which an individual's condition or situation deteriorates after a period of improvement.
Usually, Relapse occurs when an individual's state of health or addiction after a temporary improvement worsens.
Hence, in this case, it is concluded that the correct answer is "Relapse."
Learn more about Relapse here: https://brainly.com/question/7249782
