Respuesta :
I would say addiction becasue then you will continue to want more and more.
They are all difficult to deal with but C is the most difficult over long term because if you are dependent on alcohol you might have relapses or get very sick without the substance. Abuse can have huge deficits of quality of life because alcohol damages your liver and intestines.
I hope this helps! If you need anything else just let me know!
I hope this helps! If you need anything else just let me know!