Stress External to a Relationship Can Affect Processes in the Relationship

Stress external to a relationship can affect processes in the relationship by two routes. Specifically, stress:

A) affects the daily experiences of couples and also the chronic conditions of their lives.
B) gives spouses more problems to deal with and at the same time lowers the capacity to deal with problems effectively.
C) creates negative emotions in relationships (e.g., anger and frustration) but at the same time creates positive emotions (e.g., appreciation and gratitude) .
D) affects when couples interact with each other and also what they interact about.