Final answer:
In an interfaith marriage of a reformed Jewish male and a Catholic female, the concern of deciding which holidays to observe is most pertinent as it reflects the integration of both religious traditions within the family.
Step-by-step explanation:
Among the choices provided for a legitimate concern for an interfaith marriage of a reformed Jewish male and a Catholic female in the United States, option D, deciding which holidays to observe, is the most relevant concern. Both Judaism and Catholicism have unique religious holidays that are important to their faith traditions, such as Yom Kippur and Rosh Hashanah for Jews, and Easter and Christmas for Catholics. Selecting which holidays to celebrate can represent a significant aspect of honoring and integrating both religious traditions within the family.
Historically, American Jews have faced religious discrimination, which has led to their active involvement in various civil rights movements. This background emphasizes the importance of religious practices and observances in their lives. Similarly, the practice of Catholicism involves significant religious and cultural observances, making the dialogue around holidays an essential part of an interfaith marriage.
Moreover, religious affiliation is often inherited and changes infrequently, signifying that divergence from familial practices in an interfaith marriage may signal major life changes. Understanding and respecting each other's religious customs and observances in interfaith marriages can aid in bridging diverse backgrounds and fostering a harmonious family life.