There don't appear to be any specific search results directly addressing how James influences decisions regarding Mercedes and Joanne's actions. It might be helpful if you could provide more context or specify if this concerns a specific book, movie, or other work. If this is related to a narrative, providing the source material will make it easier to provide a detailed answer.
How do Joanne Cardsley's actions contribute to her 'devious' characterization?
Which companies are involved in producing the live-action Frosty the Snowman film featuring Jason Mo
What year did the Gosnold - Cuttyhunk Climate Action Network complete their climate action plan?
What are the consequences of Joanne's actions for the other characters?
Who were some of the soldiers recognized for actions in Afghanistan?