References can provide information on personal characteristics. The background check can be considered as a preemptive measure to ensure the integrity of the organization and the safety of employees. Individuals may not be appropriate for certain positions due to some aspect of their history.
Second one! Your personal life can affect your job performance for good or bad.
It's either A or C if you need more information on why just ask it's kinda weird to explain
DWI i believe. I know that's the charge they give you. I should know XD