This dream is a reflection of your mother’s subconscious thoughts and emotions. The setting of the dream, her childhood home, represents a sense of nostalgia and longing for the past. The presence of her niece and best friend suggests a desire for companionship and support. The sudden appearance of her deceased parents symbolizes unresolved issues and unfinished business with them. The argument about politics may represent conflicting beliefs or values within the family. The fact that they are discussing voting, a civic duty, could also suggest a need for your mother to make a decision or take action in her waking life. The white dog, a symbol of loyalty and protection, could represent your mother’s need for guidance and reassurance. The act of peeing on the wall could symbolize a release of pent-up emotions or a need to mark territory. Your mother’s question about her end could indicate a fear of mortality or a sense of urgency to resolve these issues. Overall, this dream may be a reminder for your mother to address any unresolved issues and make peace with her past in order to move forward in her present life.