In "A Christmas Carol," the conflict centers around the miserly and selfish Ebenezer Scrooge, who is visited by the ghost of his former business partner, Jacob Marley. Marley warns Scrooge that he will be doomed to an eternity of misery unless he changes his ways and starts treating others with kindness and compassion. This sets off a series of visits by three other ghosts - the Ghost of Christmas Past, the Ghost of Christmas Present, and the Ghost of Christmas Yet to Come - who show Scrooge his past, present, and future.
The conflict in the story is Scrooge's internal struggle to change his ways and become a better person. He is faced with the consequences of his past actions, and sees the impact that his current behavior is having on those around him. Through his interactions with the ghosts, Scrooge learns the true meaning of Christmas - that it is a time for giving, forgiveness, and love.
The conflict is resolved when Scrooge realizes the error of his ways and makes a conscious effort to change his behavior. He becomes more generous and compassionate, reaching out to help those in need and mending relationships with those he has wronged in the past. The story ends with Scrooge experiencing a newfound sense of joy and contentment, having discovered the true spirit of Christmas and the importance of treating others with kindness and respect.