I believe the answer is: Passing campaign finance laws
The federal government would only be involved in creating and maintaining regulations that would affect the whole states in united states. Campaign finance laws is a form of regulation which regulate how political candidates from ALL states able to obtain their funding.
Answer:
communication, courtesy, and credibility
Explanation:
When customers are primarily concerned with the salesperson's ability to explain the car's features, the salesperson's friendliness, and the dealer's honesty it implies that the customer are concerned with the quality service of communication, courtesy and credibility.
Communication, courtesy and credibility are important determinant of quality service.