Answer:
D)
Step-by-step explanation:
Based on the information provided within the question it can be said that these changes reflect the fact that Zach and Tuila are demonstrating generativity. This is a viewpoint used by Erik Erikson in psychology, refersing to an individual's need to nurture and guide children and younger individuals in order to contribute towards the next generation of human life. Which is what Zach and Tuila are doing by making all these changes for their three children.