Answer: The process is not adversarial
Step-by-step explanation:
Mediation' refers to the voluntary process that is used for resolving disputes whereby there's a neutral third party whom helps in facilitating dialogue between the conflicting parties and then helps them in identifying the issue and tech a settlement.
Based on the question, since both parties have a long-standing business relationship that they would like to continue, then they may prefer to settle their dispute through mediation because the process is not adversarial. An adversarial system typically involves going to the court.