Answer: Conflict.
Step-by-step explanation:
Role conflict occurs when an individual employed by an organization, is unable to meet up with the demands of job role, as a result of not being the exact fit for a job.
Foreign assignments can be disruptive to families because of the need to change environment, therefore when assigned on foreign assignments some employees tends to quit because of role conflict: as they believe that, they won't be able to meet up with the job demand.