Sara is in an intimate love relationship with Ren. She has a strong commitment toward her relationship with Ren. However, the intimacy in her relationship is diffused as she also places strong emphasis on connections with her family members. According to the cross-cultural variations observed in romantic relationships, Sara's relationship is most likely characteristic of a (n) :

Collectivist culture.

Explanation:

Cross-Cultural Romantic relationships are the relations that couples share when they belong to different nations or national boundaries.

Collectivist Culture is a cultural belief system that emphasizes the needs of the group or community than an individual. In this type of culture, people tend to value kinship, families, etc and work to promote harmony in the group. The traits of collectivist culture are that families and communities play a central role and common goals are most important than individual pursuits.

In the given case, Sara values and places a strong emphasis on connecting with families is an example of collectivist culture.

So, the correct answer is Collectivist culture.