Final answer:
Shelly Watters is using a regional expansion strategy to grow her chain of fashion boutiques from Washington, DC to additional states, leveraging her brand's success for wider market presence.
Step-by-step explanation:
Shelly Watters is employing a regional expansion strategy to grow her company. By expanding her chain of fashion boutiques from Washington, DC into Maryland, Virginia, and West Virginia, she is increasing her business's reach and market presence. Regional expansion involves opening new stores in neighboring geographic areas, capitalizing on the existing brand's reputation, and using the business model that proved successful in the original location.