Final answer:
The scenario described deals with family dynamics, which falls under Social Studies. It highlights the impact of childhood experiences and family support on John's career.
Step-by-step explanation:
The question appears to relate to Social Studies, specifically focusing on aspects of family dynamics and how they can influence a person's later life. John's experience with his parents' divorce, living with a financially struggling mother, and the eventual support from a stepfather who helped him get started in a construction job highlights the complexity of family relationships and their potential impact on an individual's career and stability. It is not a straightforward question with a definitive answer, as it draws on themes from sociology and psychology, which are typically covered within the realm of Social Studies.